@book{60678,
	author = {Joergensen, Per Elberg. and Christensen, Knud.},
	title = {Plany gospodarki osadami sciekowymi :},
	publisher = {Stowarzyszenie Gmin Ekorozwoj Dorzecza Narwi,},
	year = {2003.},
	address = {Lomza :}
}