00285nam a2200109Ia 4500008004100000041001200041082001100053100002200064245007200086260000900158650000800167221030s9999    xx            000 0 und d  aEnglish  a105.23  aAnirudh gupta/274 0aUltrasonic  Radar  Based  Security  Systermcvinod kumar sharma/268  c2005  aECE