Exercise yards for dairy cows - Puumala, Maarit; Paasonen, Merja (no, 2002)
Keywords: Ko; Ra; lypsykarjatilat; lypsytilat; lypsykarja; navetat; hulevesi; valunta; puhdistus; dairy farms; dairy cattle; cattle sheds; runoff water; runoff; purification; exercise yards; space allowance