Stelmach W., Shahbaz M., Bieganowski A., Kuzyakov Y.:  Sludge C stabilization and mineralization in soil as assessed by 13C natural abundance (2016 r.) 11th International Conference on Agrophysics: Soil, Plant & Climate, Lublin 26-28.09.2016 r. 2016, 47-47

Stelmach W., Shahbaz M., Bieganowski A., Kuzyakov Y.:  Sequestration of sludge C in soil as assessed by 13C abundance and 14C labelling. (2016 r.) 15th International Workshop for Young Scientists, BioPhys Spring 2015 Prague, Czech Republic, 05-06.05.2016 r. 2016, 50-51

Stelmach W., Szarlip P., Trembaczowski A., Bieganowski A., Kuzyakov Y.:  Suppression of soil organic matter decomposition by gasoline and diesel as assessed by 13C natural abundance (2016 r.) European Journal of Soil Biology 2016, 8-14

Stelmach W., Walkiewicz A., Szarlip P., Bieganowski A.:  Effect of post-fermentation sludge on carbon sequestration in soil. (2015 r.) 5th International Symposium on Soil Organic Matter 2015. Göttingen, Niemcy, 20-24.09.2015 r. 2015, 48-48

Jaromin-Gleń K., Stelmach W., Szarlip P., Trembaczowski A., Bieganowski A.:  The Isotope Ratio Mass Spectrometry (IRMS) methods in the wastewater treatment plant in Lublin. (2015 r.) 14th International Workshop for Young Scientists, BioPhys Spring 2015 Gödöllö, Hungary, 27-29.05.2015 r. 2015, 30-31

Polakowski C., Ryżak M., Bieganowski A., Sochan A., Bartmiński P., Dębicki R., Stelmach W.:  The Reasons for Incorrect Measurements of the Mass Fraction Ratios of Fine and Coarse Material by Laser Diffraction. (2015 r.) Soil Science Society of America Journal 2015, Vol. 79, 1, 30-36

Jaromin-Gleń K., Stelmach W., Szarlip P., Trembaczowski A., Bieganowski A.:  The carbon isotopes ratio ( 12C to 13C) on the input and outputs of the municipal wastewater treatment plant in Lublin (Poland). (2014 r.) II International Scientific and Technical Conference PURE WATER. Fundamental, Applied and Industrial Aspects, Kyiv, Ukraine, 8-11.10.2014 r. 2014, 22-22

Stelmach W., Walkiewicz A., Brzezińska M., Bieganowski A.:  Effect of nitrogen fertilizers on methane oxidation in arable soils. (2014 r.) Plant Nutrition 2014 - International Conference of the German Society of Plant Nutrition, Halle, Niemcy, 10-12.09.2014 r. 2014, S4P32,-121

Lamorski K., Bieganowski A., Ryżak M., Sochan A., Sławiński C., Stelmach W.:  Assessment of the usefulness of particle size distribution measured by laser differaction for soil water retention modelling. (2014 r.) Journal of Plant Nutrition and Soil Science 2014, Vol. 177, 5, 803-813

Stelmach W., Szarlip P., Trembaczowski A.:  Changes of isotopic composition in gases emitted from wastewater treatment plant - preliminary study. (2014 r.) Ecological Chemistry and Engineering S 2014, Vol. 21, 2, 245-254

Stelmach W.:  The analysis of priming effect in soil contaminated by selected petroleum substances (2014 r.) 13th International Workshop for Young Scientists BioPhys Spring 2014, Nitra, Slovak Republic, 17-19.06.2014 r. 2014, 115-116

Szarlip P., Stelmach W., Jaromin-Gleń K., Bieganowski A., Brzezińska M., Trembaczowski A., Hałas S., Łagód G.:  Comparison of the dynamics of natural biodegradation of petrol and diesel oil in soil. (2014 r.) Desalination and Water Treatment 2014, Vol. 52, 19-21, 3690-3697

Szarlip P., Stelmach W., Jaromin-Gleń K., Bieganowski A., Brzezińska M., Trembaczowski A., Hałas S., Łagód G.:  Porównanie szybkości rozkładu wybranych ropopochodnych w glebie (2013 r.) XI Konferencja naukowa pt. "Mikrozanieczyszczenia w środowisku człowieka", Częstochowa-Wisła, 25-27.09.2013 r. 2013, 74-74

Szarlip P., Jaromin-Gleń K., Stelmach W., Kozieł W., Bieganowski A., Błachowicz A., Łagód G.:  Efficiency of removal of some physical and chemical pollution in SBR (2013 r.) International Symposium "Ecohydrology, Biotechnology and Engineering: Towards the harmony between biogeosphere and society on the basis of long term ecosystem research”, Łódź, 16-22.09.2013 r. 2013,

Błachowicz A., Jaromin-Gleń K., Szarlip P., Kozieł W., Stelmach W.:  Biotechnological methods as mean to determine microbial contamination in drinking water (2013 r.) International Symposium "Ecohydrology, Biotechnology and Engineering: Towards the harmony between biogeosphere and society on the basis of long term ecosystem research”, Łódź, 16-22.09.2013 r. 2013,

Stelmach W.:  SPEKTROMETRIA MAS STOSUNKÓW IZOTOPÓW STABILNYCH (2013 r.) VI Sympozjum Doktorantów "Problemy Inżynierii Rolniczej i Agrofizyki", Lublin 17.10.2013 r. 2013, 35-35

Kozieł W., Szarlip P., Walkiewicz A., Błachowicz A., Stelmach W., Jaromin-Gleń K., Bulak P.:  Physiological properties and application of sodium alginate microcapsules (2013 r.) International Symposium "Ecohydrology, Biotechnology and Engineering: Towards the harmony between biogeosphere and society on the basis of long term ecosystem research”, Łódź, 16-22.09.2013 r. 2013,

Stelmach W., Szarlip P., Bieganowski A., Brzezińska M.:  Differences in the priming effect for various concentrations of sugars degaded in the soil (2013 r.) International Conference "Protection of soil functions - challenges for the future" in the frame of 7PR UE project "Proficiency", IUNG-PIB Puławy15-18.10.2013 r. 2013, 271-271

Szarlip P., Stelmach W., Bieganowski A., Brzezińska M.:  In search of the carbon dioxide origin (2013 r.) 10th International Conference on Agrophysics, Lublin 5-7.06.2013 r. 2013, 118-118

Bieganowski A., Brzezińska M., Szarlip P., Stelmach W.:  The effect of the type of photosynthesis (C and C ) on the isotopic composition of carbon dioxide emitted from 3 4 soil (2013 r.) 12th International Workshop for Young Scientists BioPhys Spring 2013. Lublin, Poland, 21-23.05.2013 r. 2013, 53-53