TY  - BOOK
AU  - 
AU  - Elderfield, Robert Cooley, Ed.
TI  - Heterocyclic compounds [v.7]: polycyclic compounds containing two hetero atoms in different rings. five- and six- membered heterocycles containing three hetero atoms and their benzo derivatives
U1  - 547 
PY  - 1961///
CY  - New York
PB  - John Wiley And Sons
KW  - Heterocyclic compounds
ER  -