000 00241nam a2200109 4500
082 _a541.2242IQB
100 _aIqbal, Muhammad Zafar
245 _aPI - Accceptor Ligands
260 _aIslamabad:
_bUGC,
_c1983.
300 _a95p. ;
942 _cBK
999 _c7347
_d7347