TY  - BOOK
AU  - Katritzky, Alan R.,
TI  - Physical methods in heterocyclic chemistry
SN  - 0124011039 (v. 3) :
U1  - 547.59 KAT 
PY  - 1963///-1974
CY  - New York
PB  - Academic Press
KW  - Heterocyclic chemistry
N1  - Includes bibliographical references
ER  -