@book{59039,
	author = {Gibson, John E. and Scherer, William T.},
	title = {How to do systems analysis /},
	publisher = {Wiley-Interscience,},
	year = {c2007.},
	address = {Hoboken, N.J. :},
	url = {http://www.loc.gov/catdir/toc/ecip072/2006033568.html}
}