@book{30368,
	author = {KEHEW, Alan E.},
	title = {General geology for engineers /},
	publisher = {Prentice Hall,},
	year = {1988.},
	address = {Englewood Cliffs :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=30368}
}