TY  - BOOK
AU  - Gupta R R
AU  -  Gupta V
AU  -  Kumar M
TI  - Heterocyclic chemistry
SN  - 3540652523(V 2) (hbd)
U1  - E8, N8.2;1       TE 
PY  - 1998///
CY  - Berlin
PB  - Springer-Verlag         
KW  -  Heterocyclic
KW  - Chemistry
N1  - Includes bibliographical references
ER  -