TY  - BOOK
AU  - Katritzky, Alan R.
AU  - Lagowski, M., jt. auth.
TI  - Principles of heterocyclic chemistry
SN  - 978818844988
U1  - 547.59 KAT-A 
PY  - 1967///
CY  - India
PB  - PharmaMed
KW  - Heterocyclic compounds
ER  -