@book{3534,
	author = {Giarratano, Joseph C. and Riley, Gary D.},
	title = {Expert Systems : principles and programming},
	publisher = {Course Technology,},
	year = {2005.},
	address = {Canda},
	edition = {4th ed.},
	url = {http://10.10.170.122:8080/browse/book/19665}
}