Smith, H. G. ( Herbert Gladstone ) creator author Wells, M. K. ( Maurice Kingsley ) 1921- editor text London Thomas Murby & Co. 1956 monographic eng

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148 pages.: some colour, illustrations.; 19 cm by H. G. Smith ; completely revised by M. K. Wells Includes bibliographical references and indexs ( p. : 143 - 148 ) Mineralogy Microscopy Petrology 549.086 SIM 1956 261015 20261015151051.0 0000001100 Eng