Powell, P Timms, P.L The chemistry of the non metals / by P. Powell and P.L Timmy - London : Chapman And Hall , 1974 . - 281 p. Paper Back ISBN: 412122006 Subjects--Topical Terms: ChemistryIsowelectronic compoundsSimple hydridesChemical properties Dewey Class. No.: 546.7 / POW-C