000 00364nam a2200121Ia 4500
001 MPKV055908
008 120911s9999 xx 000 0 und d
082 _a570
245 _aBiological Abstract vol.51 No.20
_c;
246 _aBiological Abstract vol.51 No.20
260 _aPhildelphia
_bBioscience Inoformation Service of B.A.
_c1970
650 _aBiological Abstract
999 _c53902
_d53902