@book{14023,
	author = {Porter, Alan L.},
	title = {Forecasting and management of technology /},
	publisher = {Wiley,},
	year = {c1991.},
	series = {Wiley series in engineering & technology management},
	address = {New York :},
	note = {System reuqirements for computer disk: IBM PC/XT/AT or true compatible computer, or IBM PS/2 or true compatible computer; 512K RAM; MS-DOS or PC-DOS 2.1 or above; hard disk drive with at least 400K of free disk space (recommended, but not required); monochrome, CGA, EGA, or VGA video adapter.},
	url = {http://www.loc.gov/catdir/description/wiley033/90045269.html}
}