000 00295nam a2200097Ia 4500
100 _aRoderich Von Ungern-sternber
245 _aCauses Ofthe Decline In Birth Rate Within The European Sphere Of Civilization No 4
260 _bEugenics Res Asso, Newyork
082 _aN31/B02803
300 _a29; 23*15
999 _c39849
_d39849