@book{7547,
	author = {ASTM},
	title = {Annual book of astm standards: Steel Structure, Reinforcing, Pressure Vessels, Railway},
	publisher = {ASTM,},
	year = {2007.},
	address = {USA:},
	url = {http://www.amazon.com/exec/obidos/ASIN/0803115040/chopaconline-20}
}