000 00356nam a2200133Ia 4500
008 220721s2002 xx 000 0 und d
041 _aeng
082 _a598.2(593)
100 _aHardy, I.C.W.(Ed.)
245 _aSex ratios: concepts and research methods
260 _aCambridge
_bCambridge University Press
_c2002
300 _a424P.
999 _c85621
_d85621