000 00271nam a2200085Ia 4500
001 MPKV106541
008 120911s9999 xx 000 0 und d
245 _aBiological Abstracts Vol.72
_c;
260 _aPennsylvania.
_bBiosciences information Service of B.A. Philadelphia.
_c1981
999 _c69922
_d69922