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- [49] EXPERIENCES IN THE OPERATION OF A PROCESSING PLANT FOR THERMOPLASTIC SECONDARY RAW-MATERIALS IN HOUSEHOLDS PLASTE UND KAUTSCHUK, 1984, 31 (10): : 399 - 399
- [50] INTRODUCTION TO ECONOMY OF ANIMAL FEEDING SECTOR - STRUCTURE OF ITS SUPPLYING IN RAW-MATERIALS ZOOTECHNIA, 1982, 31 (1-3): : 21 - 32