00677nam a22002297a 4500 20170124110026.0 995175 00.00 923101577X 995175 Cen Lib/Ret DPL EN 551 REV Review of research on modren problems in geochemistry / edited by F.R. Siegel Paris UNESCO 1979 7 Palce De Fontenoy Paris 75700 290p. : 26cm(Hb) ill. Includes bibliographical references. Earth science 20709 Geology 17268 Siegel, F.R. 20710 ddc EN 551 REV 127514 127514 4 0 0 0 L L 2015-06-29 Cen Lib/Ret 0.00 0 551 REV 995175 2015-06-29 00:00:00 1 0.00 2015-06-29 EN Written off on approval by DLB (By Circulation); dtd 15-06-2023