Frąc M., Jezierska-Tys S., Oszust K., Gryta A., Pastor M.:         
    
        Assessment of microbiological and biochemical properties of dairy sewage sludge (2017 r.)   
        
        International Journal of Environmental Science and Technology 
                
                    2017, 
                            Vol. DOI 10.1007/s13762-016-1179-9,   
                            
            
                                    679-688 
                   
              
                                 
    
     
            
         Frąc M., Oszust K., Siczek A., Pastor M.:         
    
        Isolation, identification and screening of cellulolytic microorganisms from soil and organic waste (2012 r.)   
        
         
         
            International Congress EUROSOIL 2012, Włochy, Bari, 2-6.07.2012 r.               
                    2012, 
                            
            
                                    2145-2145