TY  - BOOK
AU  - LEWIS, GILBERT NEWTON
TI  - VALENCE: STRUCTURE OF ATOMS AND MOLECULES
U1  - E:2,5 
PY  - 1966///
CY  - NEW YORK
PB  - DOVER PUBLICATIONS, INC.
KW  -  ATOMS AND MOLECULES
KW  - VALENCE
ER  -