TY  - BOOK
AU  - Klingsberg, Erwin
TI  - Pyridine and its derivatives: Erwin Klingsberg
U1  - 547.7 
PY  - 0000///[19
CY  - New York
PB  - Interscience Pub.
KW  - Hetrocyclic compounds
N1  - Contents: v.14/pt.4 the Chemistry of Heterocyclic compounds
ER  -