TY  - BOOK
AU  - GUPTA R.R., KUMAR, GUPTA
TI  - HEREROCYCLIC CHEMISTRY. VOL-I (PRINCIPLES, THREE & FOUR MEMBERED HETEROCYCLES)
SN  - 9783642722783
U1  - GUP/KUM 
PY  - 1998///
CY  - NEW YORK
PB  - SPRINGER
KW  - REFERENCE
ER  -