@book{39557,
	author = {HEIJMAN, Wilem},
	title = {Ekonomika rolnictwa :},
	publisher = {Fundacja "Rozwój SGGW",},
	year = {1997.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=39557}
}