TY  - BOOK
AU  - Klingsberg, Erwin
TI  - Pyridines and its derivatives: Erwin Klingsberg
U1  - 547.7 
PY  - 1961///
CY  - New York
PB  - Interscience Pub.
N1  - Pt.2. Contents:v14 The Chemistry of Heterocyclic Compounds
ER  -