TY  - BOOK
AU  - Coulson,C. A.
TI  -  Valence
U1  - 541.224 
PY  - 1961///
CY  - New York
PB  - Oxford
KW  - Physical and theoretical chemistry
KW  - Molecular bonds and valences
KW  - রসায়ন
N1  - Index
ER  -