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- [5] INCREASING LAND SURFACE FOR ARABLE CROPS - ECONOMIC-ASPECTS OF CROP-ROTATION SCHWEIZERISCHE LANDWIRTSCHAFTLICHE MONATSHEFTE, 1979, 57 (03): : 91 - 105
- [6] OPTIMIZATION OF BATCH ALCOHOLIC FERMENTATION OF CYPERUS-ESCULENTUS NAHRUNG-FOOD, 1993, 37 (03): : 274 - 276