TY  - BOOK
AU  - Nansal, Raj, K 
TI  - Heterocyclic chemistry 
SN  - 81-224-1212-2 
U1  - 540 NAN  
PY  - 2005///
CY  - New age international private, Ltd. 
PB  - New Delhi 
KW  - CHEMISTRY
ER  -