000 00282nam a2200109Ia 4500
008 250224s9999 xx 000 0 und d
020 _a33318959
082 _aREF61260024ACH
245 0 _aKnowing about sex Achieving Sexual maturity
260 _bRay bret Koch
_c1973
942 _cRBK
999 _c430671
_d430671