@book{2147,
	author = {Edwards, Harry J},
	title = {Estimating Controls Systems for HVAC: a guide to pricing temperature controls systems for commercial buildings},
	publisher = {Mcgraw-Hill (Tx),},
	year = {1986.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0070190941/chopaconline-20}
}