By Findlay, W. P. K. (Walter Philip Kennedy). [London] : Macmillan Press, 1971 , Imprint covered by label: CRC Press, Chemical Rubber Co., Cleveland, Ohio. 0333124634
]]>By Hough, J. S. (James Shanks). London : Chapman and Hall, 1971 , "Distributed in the U.S.A. by Barnes and Noble." 0412099705
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