TY  - BOOK
AU  - Clapp, Leallyn B.
TI  - Chemistry of the covalent bond
PY  - 1950///
CY  - San Francisco
PB  - W.H. Freeman and Company
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=1674
ER  -