TY  - BOOK
AU  - Pickering, H. S.
TI  - Covalent bond
SN  - 085109-640-9
U1  - 541.224 
PY  - 1977///
CY  - London
PB  - Wykeham
KW  - Covalent bond
KW  - Molecular geometry
KW  - Valency theory
N1  - Includes index
ER  -