Lappert M.F. (1972). Main group elements: Hydrogen and groups I-IV. Butterworths.
Chicago Edition CitationLappert M.F. Main Group Elements: Hydrogen and Groups I-IV. London: Butterworths, 1972.
MLA Edition CitationLappert M.F. Main Group Elements: Hydrogen and Groups I-IV. Butterworths, 1972.
Warning: These citations may not always be 100% accurate.