@book{31030,
	author = {PARRY, R. H. G.},
	title = {Mohr circles, stress paths and geotechnics /},
	publisher = {E & FN Spon,},
	year = {1995.},
	address = {London [et al.] :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=31030}
}