{{cite journal | last1=Szeleszczuk | first1=Ł. | author2=M. Kuras | author3=D. M. Pisklak | author4=Iwona Wawer | year=2016 | title=ANALYSIS OF THE CHANGES IN ELEMENTAL COMPOSITION OF THE CHICKEN EGGSHELL DURING THE INCUBATION PERIOD | journal=Journal of Animal and Plant Sciences | volume=26 | issue=3 | pages=583-587 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2016-JAPS-79}}