{{cite journal | last1=Jeretina | first1=J. | author2=D. Babnik | author3=D. Ċ korjanc | year=2013 | title=MODELING LACTATION CURVE STANDARDS FOR TEST-DAY MILK YIELD IN HOLSTEIN, BROWN SWISS AND SIMMENTAL COWS | journal=Journal of Animal and Plant Sciences | volume=23 | issue=3 | pages=754-762 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2013-JAPS-313}}