Grøndalen, T. (1974). Osteochondrosis and arthrosis in pigs: VII: Relationship to joint shape and exterior conformation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGrøndalen, Trygne. Osteochondrosis and Arthrosis in Pigs: VII: Relationship to Joint Shape and Exterior Conformation. [Copenhagen, 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGrøndalen, Trygne. Osteochondrosis and Arthrosis in Pigs: VII: Relationship to Joint Shape and Exterior Conformation. 1974.
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