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2. Milking procedures and their effect on milk quality;Armstrong,1985
3. Variation in somatic cell counts in dairy herd improvement milk samples;Bodoh;J. Dairy Sci.,1976
4. Analysis of transformations;Box;J. R. Stat. Soc.,1966
5. Effect of low vacuum on the health status of the udder in the machine milking cows;Bozhkova;Vet. Med. Nauki,1987