TY  - BOOK
AU  - Entwistle, N.
TI  - Orbital Symmetry Correlations in Organic Chemistry: A Guide to the Woodward- Hoffmann Rules
SN  - 00442023189
U1  - 547.12 ENT 
PY  - 1972///
CY  - London
PB  - Van Nostrand Reinhold Company
ER  -