‡a
Batch and continuous-circuit beneficiation of western phosphate ores, 1967:
‡b
t.p. (E.E. Sullivan, Physical science technician, Albany Metallurgy Research Center, Bureau of Mines, Albany, Oreg.)
‡a
batchandcontinuouscircuitbeneficiationofwesternphosphateores
‡A
Batch and continuous-circuit beneficiation of western phosphate ores, 1967:
‡9
1