00570nam a22002057a 450000500170000001000110001702000220002803500110005003700160006104000120007708200130008924500830010226000240018527000390020930000280024850000410027665000180031765000120033570000170034720170124110026.0  a995175  c00.00a923101577X  a995175  bCen Lib/Ret  aDPLbEN  a551bREV  aReview of research on modren problems in geochemistry /cedited by F.R. Siegel  aParisbUNESCOc1979  a7 Palce De FontenoybParis e75700  a290p. :c26cm(Hb)bill.  aIncludes bibliographical references.  aEarth science  aGeology  aSiegel, F.R.