00951nam0-22003251i-450-99000790090040332120040629114214.00-08-023904-8000790090FED01000790090(Aleph)000790090FED0100079009020040629d1979----km-y0itay50------baengUSa-------001yyObstacles to mineral developmenta pragmatic viewJohn S. Carmanedited by Bension VaronNew YorkPergamon press1979XIV, 178 p.ill.24 cmPergamon policy studies18Materie primeEconomiaCarman,John S.283755Varon,BensionITUNINARICAUNIMARCBK990007900900403321H/2.222 CAR/7910547/ISESSESObstacles to mineral development670702UNINA