@book{34771,
	author = {Metz, J. H. M. and Borel, G.},
	title = {Equipment for recording feeding, drinking, rumination and standing-lying behavior of catlle},
	publisher = {Veenman and Zonen,},
	year = {1975},
	series = {Mededeling landbowhogeschool},
	address = {Wageningen :}
}