TY  - BOOK
AU  - ELDERFIELD, ROBERT  C .
TI  - HETEROCYCLIC COMPOUNDS / 
U1  - 547.59 
PY  - 1960///
CY  - NEW YORK
PB  - JOHN WILEY & SONS.
KW  - COMPOUNDS HETEROCYCLIC
N1  - V.3: POLYCYCLIC SYSTEMS. viii , 442 P
ER  -