000 00368nam a2200121Ia 4500
001 MPKV056462
008 120911s9999 xx 000 0 und d
082 _a570
245 _aBiological Abstract Vol.57 no.9-10
_c;
246 _aBiological Abstract Vol.57 no.9-10
260 _aPhildelphia
_bBioscience Inoformation Service of B.A.
_c1974
650 _aBiological Abstract
999 _c54456
_d54456