00523pamaa2200181 4500 0000012064 20060602090000.0 0071136207 621.381 RYA TK7868 RYA 1993 RYAN Digital electronic Ray Ryan and Lisa A. Doyle ; with contributions by Abraham I. Pallas. New York: Glencoe, 1993. xi, 276p.: 24cm. Glencoe tech series Digital electronics Pallas, Abraham I. DOYLE, Lisa A.