TY - GEN AU - Tocci, Ronald J. AU - Widmer, Neal S. TI - Digital systems: : principles and applications/ 6th ed SN - 81-203-0985-5 U1 - 681.32 PY - 1995/// CY - New Delhi PB - Prentice Hall KW - Digital systems KW - 681.32 KW - CS 302 ER -