TY  - BOOK
AU  - Powell, P.
AU  - Timms, P. L.
TI  - CHEMISTRY OF THE NON-METALS
U1  - 546.7 
PY  - 1974///
CY  - London
PB  - Chapman And Hall
KW  - Chemistry, Inorganic
N1  - Bibl. : P. 272-273
ER  -