000 00271nam a2200085Ia 4500
001 MPKV109121
008 120911s9999 xx 000 0 und d
245 _aBiological Abstracts Vol. 71 Part No.7-8
_c;
260 _aPennsylvania.
_bBiosciences Informationa Services of B.A.
_c1981
999 _c72466
_d72466