00473nam a22001817a 450000500170000000700040001700800040002102000150002502000210004004000090006105000210007010000170009124500510010826000400015930000230019950000500022265000190027220170712114829.0000000  a0045500428  a0045500436 (pbk)  aUOEL  aQE501b.P37 1986  aPaton, T. R.  aPerspectives on a dynamic earth /cT. R. Paton  aLondon ;bAllen and Unwin ,cc1986.  axv, 142 p. :bill.  aincludes bibliographical references and index  aGeologyxEarth