TY  - BOOK
AU  - Cartmell,E.
AU  - Fowles,G.W.A.
TI  - Valency and molecular structure
SN  - 0408708093
U1  - 541.224 CAR 
PY  - 1977///
CY  - London, Boston
PB  - Butterworths
KW  - Valence (Theoretical chemistry)
KW  - Molecular structure
ER  -