@book{7773,
	author = {SOKOLOVSKIJ, V. V. and SOKOŁOWSKI, W. W.},
	title = {Statyka ośrodków sypkich /},
	publisher = {PWN,},
	year = {1958.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=7773}
}