000 00272pam a2200121a 44500
082 _a547
_bEL2h
100 _aElderfield, Robert Cooley
245 1 _aHETEROCYCLIC COMPOUNDS
260 _aN. Y.
_bWiley
_c1952
300 _a9 v.
964 _gCIRC
997 _a17545 v. 3 C
999 _c432226
_d432226