000
00230nam a2200097Ia 4500
100
_a
KATRITZKY ALAN R.
245
4
_a
THE PRINCIPLES OF HETEROCYCLIC CHEMISTRY
260
_b
BSP
_a
HYDERABAD
_c
1967
300
_a
XIV, 183P
942
_c
BK
999
_c
10213
_d
10213