@book{18501,
	author = {PIOTROWSKI, W. and ROKICKI, H.},
	title = {Kotły parowe /},
	year = {1979.},
	address = {Gdańsk,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=18501}
}