TY - BOOK AU - Katritzky,A.R. TI - Physical methods in heterocyclic chemistry U1 - 547.59 PY - 1963///-1974 CY - New York PB - Academic Press KW - Heterocyclic chemistry N1 - Includes index; Vol. 1 Monspectros copic methods -v.2 Spectros copic methods -v.3-v.4 Corering methods other then X-ray straetuse analysis from 1963 to 1970 -v.5 Bond lengths and angles from X-ray crystallography; convering X-ray structuse analysis to 1970 -v.6 Conve ER -