TY - BOOK AU - Meena,K. TI - Principles of digital electronics / SN - 9788120332706 (pbk.) AV - TK7868.D5 M44 2009 U1 - 621.381 21 PY - 2009/// CY - New Delhi : PB - PHI Learning, KW - Digital electronics N1 - Includes bibliographical refrences and index ER -