TY  - GEN
AU  - Woodward, R.B.
AU  - Hoffmann, R.
TI  - The Conservation of Orbital Symmetry
U1  - 541.39 
PY  - 1971///
CY  - Germany
PB  - Verlag Chemie Gmbtt Academic Press
KW  - CH.--CHEMI.REACTI.& SYNTH
ER  -