000 00366nam a2200121Ia 4500
001 MPKV056457
008 120911s9999 xx 000 0 und d
082 _a570
245 _aBiological Abstract Vol.55 no.5-6
_c;
246 _aBiological Abstract Vol.55 no.5-6
260 _aPhildelphia
_bBioscience Inoformation Service of B.A.
_c1973
650 _aBiological Abstract
999 _c54451
_d54451