@book{23550,
	author = {BEER, Ferdinand P. and JOHNSTON, E. Russel},
	title = {Vector mechanics for engineers :},
	year = {1984.},
	address = {New York,},
	edition = {4th ed.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=23550}
}