TY - BOOK AU - COOPER, William D. AU - HELFRICK, Albert D. TI - MODERN ELECTRONIC INSTRUMENTATION AND MEASUREMENT TECHNIQUES SN - 81 203 0752 6 U1 - 621.381 54 PY - 1994/// CY - Kottayam PB - Vidyarthimithram Book Depot, Kottayam ER -