Hawkes, H. E. Geochemistry in mineral explotation Harper geoscience series - New York: Harper, 1962 - xiv; 415 p. grafs., tbls. By H. E. Hawkes And J. S. Webb <1962> Subjects--Topical Terms: BUSQUEDA DE MINERALESGEOQUIMICAPROSPECCION Dewey Class. No.: BMG-BANT COL 551.9 HAWg