000 00289nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a301.321
_bGRE
100 _aGreep, Roy O.
245 _aHuman fertility and population problems
260 _bMass Schenkman Publishing
_aCambridge
_c1963
999 _c135942
_d135942