Shelly, G. B, Cashman, T. J, Waggoner, G. A Computer Concept with Microcomputer Application.: Microcomputer Application, by Shelly, G. B, Cashman, T. J, Waggoner, G. A - USA.: Boyg and Fraser Publishing Company, 1989. - xvi,207p ill 28cm include index ISBN: 0878353593 Source: B-23422 LC Class. No.: QA76 / .S53 1989