000 00352nam a2200121Ia 4500
001 MPKV108345
008 120911s9999 xx 000 0 und d
082 _a570
245 _aBiological Abstract Vol. 84 No.4
_c;
246 _aBiological Abstract
260 _aPhildelphia
_bBioscience Inoformation Service of B.A.
_c1987
650 _aBiological Abstract
999 _c71702
_d71702