@book{30149,
	title = {Soil and water conservation engineering /},
	publisher = {Wiley,},
	year = {1993.},
	address = {New York :},
	edition = {4th ed.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=30149}
}