. . . . . . "Why there is no negative correlation between egg size and number in the Common Pochard?" . "3.924"^^ . "26.521"^^ . "http://www.isvav.cz/h13/resultDetail.do?rowId=RIV%2F68081766%3A_____%2F08%3A00306971!RIV08-AV0-68081766"^^ . . . . . . "4.42"^^ . "23.543"^^ . . "PTVDQjiuLk7Wx9aCHz87q!sa6Ks=" . "0.167"^^ . "RIV/68081766:_____/08:00306971!RIV08-AV0-68081766" . . . "Acta Oecologica-International Journal of Ecology" . . . "J_imp \u010Dl\u00E1nek v impaktovan\u00E9m \u010Dasopise" . .