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- [7] STUDY OF PROCESS OF NICKEL SOLUTION IN NITRIC-ACID UKRAINSKII KHIMICHESKII ZHURNAL, 1972, 38 (05): : 425 - +
- [8] NITRIC-ACID PROCESS FOR TREATING MOLYBDENITE CONCENTRATES CIM BULLETIN, 1977, 70 (784): : 129 - 129
- [9] INVESTIGATION OF THE APATITE NITRIC-ACID DECOMPOSITION PROCESS KHIMICHESKAYA PROMYSHLENNOST, 1983, (04): : 218 - 219