TY  - BOOK
AU  - Gupta, R. R. 
TI  - Heterocyclic chemistry: Vol:2 Five-membered heterocycles
SN  - 9788181282217
U1  - 547059 
PY  - 2009///
CY  - New Delhi
PB  - Springer India
KW  - Heterocyclic chemistry
ER  -