@book{5654,
	author = {Komar, Walter and Schelm, Ernst-Peter},
	title = {Umweltschutzinvestitionen ostdeutscher Kommunen},
	publisher = {Institut für Wirtschaftsforschung Halle IWH,},
	year = {1994.},
	series = {IWH Forschungsreihe},
	address = {Halle :}
}