TY  - BOOK
AU  - Elderfield, Robert C.
TI  - Heterocyclic compounds
PY  - 1951///
CY  - New York
PB  - John Wiley & Sons
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=5726
ER  -