TY - ADVS ED - Heath Company ED - Omnia Corporation TI - TTL/ ECL logics circuits SN - MED0000817(Local) PY - 1983/// CY - [Benton Harbor, MI] PB - Heathkit Educational System KW - Digital techniques KW - Digital electronics KW - Architectual design KW - Data processing KW - Computer KW - Aided design KW - Digital integrated circuits N1 - Title from disc label; Unit 4 ER -