Haku
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Incorporation of 15N and 14C into amino acids of bacterial and protozoal protein in the rumen of the cow on urea-rich feed
(Suomen maataloustieteellinen seura, 1979)
Studies on the nitrogen compounds of the faeces od dairy cows fed urea as the sole or partial source of nitrogen
(Suomen maataloustieteellinen seura, 1979)