TY - BOOK AU - Needler, Marvin A AU - Baker, Don E TI - Digital and analog controls SN - 0-8359-1314-7 U1 - 621.3-5 PY - 1985/// CY - Reston PB - Reston Publishing Company KW - Industrial relay control KW - Semiconductor control KW - programmable Control KW - Dyanamic control KW - Process-based control ER -