000
00356nam a2200133Ia 4500
008
220721s2002 xx 000 0 und d
041
_a
eng
082
_a
598.2(593)
100
_a
Hardy, I.C.W.(Ed.)
245
_a
Sex ratios: concepts and research methods
260
_a
Cambridge
_b
Cambridge University Press
_c
2002
300
_a
424P.
999
_c
85621
_d
85621