TY  - BOOK
AU  - Salem, Lionel
TI  - The Molecular orbital theory of conjugated systems
PY  - 1966///
CY  - New York
PB  - W. A. Benjamin
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=3906
ER  -