TY  - BOOK
AU  - Gupta R R
AU  -  Gupta V
AU  -  Kumar M
TI  - Heterocyclic chemistry
SN  -  8181282213 (pbk)
U1  - E8, N8.2;4 
PY  - 1999///
CY  - Berlin
PB  - Springer-Verlag         
KW  -  Heterocyclic chemistry
KW  - Chemistry
N1  - Includes bibliographical references
ER  -