000 00336nam a2200145Ia 4500
008 131111s9999 xx 000 0 und d
100 _aBerger,Gary.S
245 _aCouplu's guide to fertility
260 _aNew York
260 _bRoutldge
260 _c1989
300 _a442p.
650 _aFertility
_aAgriculture
763 _a17625
999 _c44805
_d44805