@book{547022,
	author = {Perkins, Philip Harold. and ebrary, Inc.},
	title = {Repair, protection and waterproofing of concrete structures},
	publisher = {E&FN Spon,},
	year = {1997.},
	address = {London ;},
	edition = {3rd ed.},
	url = {http://www.columbia.edu/cgi-bin/cul/resolve?clio6621216}
}