@book{29740,
	author = {SKOUSEN, K. F.},
	title = {An Introduction to the SEC /},
	year = {1987.},
	address = {Cincinnati,},
	edition = {4th ed.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=29740}
}