{{cite journal | last1=Uckardes | first1=F. | author2=M. Korkmaz | author3=P. Ocal | year=2013 | title=COMPARISON OF MODELS AND ESTIMATION OF MISSING PARAMETERS OF SOME MATHEMATICAL MODELS RELATED TO IN SITU DRY MATTER DEGRADATION | journal=Journal of Animal and Plant Sciences | volume=23 | issue=4 | pages=999-1007 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2013-JAPS-410}}