00290nam a2200109Ia 450000500170000008000180001724500570003526000310009230000110012350000270013458300190016120260716043031.0  a16.02.02 U584  aDevelopment of the mining resources of Latin America  bUN.ECLACaSantiagoCLc1989  a160 p.  aBibliography: p. 95-99  c3/7/00kM2LMGR