TY  - BOOK
AU  - Klingsberb, Erwin
TI  - Pyridine and its derivatives: Erwin Klingsberg
U1  - 547.7 
PY  - 1962///
CY  - New York
PB  - Interscience Pub.
KW  - Hetrocyclic compounds
N1  - Contents :v13 Pt.3The Chemistry of Heterocyclic compounds
ER  -