TY  - BOOK
AU  - Gupta, R.R.  .
TI  - Heterocyclic chemistry / 
SN  - 81-8128-220-5
U1  - E8 
PY  - 2005///
CY  - New York : 
PB  - Springer-Verlag , 
KW  - Chemistry- Heterocyclic
ER  -