000
00272pam a2200121a 44500
082
_a
547
_b
EL2h
100
_a
Elderfield, Robert Cooley
245
1
_a
HETEROCYCLIC COMPOUNDS
260
_a
N. Y.
_b
Wiley
_c
1952
300
_a
9 v.
964
_g
CIRC
997
_a
17545 v. 3 C
999
_c
432226
_d
432226