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	1.	Prevention and control of losses of gaseous nitrogen compounds in livestock operations: a review. [electronic resource] by Jongebreur, A A Monteny, G J Producer: 20040412 In: TheScientificWorldJournal vol. 1 Suppl 2 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	The influence of ammonia and humidity on activity and energy balance data in groups of pigs. [electronic resource] by Verstegen, M W van der Hel, W Jongebreur, A A Enneman, G Producer: 19770226 In: Zeitschrift fur Tierphysiologie, Tierernahrung und Futtermittelkunde vol. 37 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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