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- [7] ECONOMIC-ASPECTS JOURNAL OF THE AUSTRALIAN INSTITUTE OF AGRICULTURAL SCIENCE, 1979, 45 (03): : 174 - 178
- [8] SOME ECONOMIC-ASPECTS OF THE DEVELOPMENT OF THE ENERGY INDUSTRY ENERGIETECHNIK, 1979, 29 (07): : 254 - 259
- [9] ECONOMIC-ASPECTS OF THE UPGRADING OF ENERGY CONSUMING PLANTS REVISTA DE CHIMIE, 1988, 39 (08): : 691 - 697