@book{54474,
	author = {Huyghebaert, Bruno. and International Scientific Symposium},
	title = {Farm machinery and process management in sustainable agriculture :},
	publisher = {Walloon Agricultural Research Centre,},
	year = {2007.},
	address = {Gembloux, Belgium :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=54474}
}