Grala, W. (1987). Nitrogen utilization in pigs as affected by dietery induced losses of ileal endogenous nitrogen. Wageningen.
Čikaški stil citiranjaGrala, Witold. Nitrogen Utilization in Pigs As Affected By Dietery Induced Losses of Ileal Endogenous Nitrogen. Wageningen, 1987.
MLA način citiranjaGrala, Witold. Nitrogen Utilization in Pigs As Affected By Dietery Induced Losses of Ileal Endogenous Nitrogen. Wageningen, 1987.
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