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- [3] POSSIBILITIES AND PROBLEMS OF GENETIC-IMPROVEMENT OF BROILER FEED-EFFICIENCY ON THE BASIS OF GROUP CAGE INFORMATION ZEITSCHRIFT FUR TIERZUCHTUNG UND ZUCHTUNGSBIOLOGIE-JOURNAL OF ANIMAL BREEDING AND GENETICS, 1980, 97 (01): : 58 - 69
- [8] GENETIC-IMPROVEMENT OF PLANT MINERAL NUTRIENT EFFICIENCY AND TOLERANCES ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1980, 180 (AUG): : 16 - FERT