By Longman, K. A.. London: Longman, 1974 . x, 196p. : 0582440459
]]>By Longman, K. A.. Harlow: Longman Scientific & Technical, 1987 . xii, 347p.: 0582014514
]]>By Longman, K. A.. Harlow: Longman Scientific & Technical, 1987 . xii, 347p.: 0582014514
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