National research council Board of Agriculture. (1988). Nutrient requirements of swine (10.). National Academy press.
Παραπομπή Chicago StyleNational research council Board of Agriculture. Nutrient Requirements of Swine. 10. National Academy press, 1988.
Παραπομπή MLANational research council Board of Agriculture. Nutrient Requirements of Swine. 10. National Academy press, 1988.
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