000 00362nam a2200121Ia 4500
001 MPKV056233
008 120911s9999 xx 000 0 und d
082 _a570
245 _aBiological Abstract vol.58 no.7
_c;
246 _aBiological Abstract vol.58 no.7
260 _aPhildelphia
_bBioscience Inoformation Service of B.A.
_c1974
650 _aBiological Abstract
999 _c54227
_d54227