@book{16558,
	author = {Semper, Gottfried,},
	title = {The four elements of architecture and other writings /},
	publisher = {Cambridge University Press,},
	year = {1989.},
	address = {Cambridge [England] ;},
	note = {Translated from German.},
	url = {http://www.loc.gov/catdir/enhancements/fy1011/88021858-t.html}
}