TY  - BOOK
AU  - Gupta,R R.
AU  - Kumar,M  .
AU  - Gupta,V  .
TI  - Heterocyclic chemistry / 
U1  - 547.59 
PY  - 2005///
CY  - NewDelhi : 
PB  - Springer (India) , 
KW  - HETEROCYCLIC CHEMISTRY
N1  - Includes bibliographical references and index
ER  -