TY  - BOOK
AU  - Cartmell,E.
AU  - Fowles,G.W.A.
TI  - Valency and molecular structure / 
U1  - 541.224/CAR 
PY  - 1977///
CY  - London
PB  - The English language book society
KW  - Physical and theoretical examinations
KW  - Chemistry
KW  - Molecules
ER  -