000 00516nam a2200097Ia 4500
008 120223s9999 xx 000 0 und d
082 _a574.32 DUC
100 _aDuckett, J.G.
245 _aBiology of the male gamete.
260 _bAcademic Press.
_aLondon.
_c1975
999 _c151977
_d151977