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- [1] PROBLEMS OF UNITED-STATES CITIES TRANSACTIONS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, 1949, 114 : 2 - 4
- [5] CAPITAL AND OPERATING COST ESTIMATION FOR MILLING OF URANIUM ORES IN UNITED-STATES COLORADO SCHOOL OF MINES QUARTERLY, 1984, 79 (04): : 1 - 76