Grob basic electronics / Grob, Bernard. Electronics. 621 GLE 1992 A037 Or. System requirements for computer disc: IBM PC; DOS; CGA card (VGA or EGA card required for color display). Lake Forest, Ill. : Glencoe, c1992. c1992. Text xi, 930 p. : http://www.loc.gov/catdir/enhancements/fy0602/93107308-d.html http://www.loc.gov/catdir/enhancements/fy0602/93107308-t.html