Gray, R. H. (1981). Effect of supplementary food on suckling patterns and ovarian activity during lactation.
Chicago ZitierstilGray, R H. Effect of Supplementary Food On Suckling Patterns and Ovarian Activity During Lactation. 1981.
MLA ZitierstilGray, R H. Effect of Supplementary Food On Suckling Patterns and Ovarian Activity During Lactation. 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.