00313nam a2200121Ia 4500008004100000041000800041082001300049100001900062245003900081260003900120300001200159700002000171220530s9999    xx            000 0 und d  aeng  a530bAVA  aAvadhanulu M N  aA Text Book of Engineering Physics  aNew DelhibS Chan Publishersc2011  a758bPB  a Kshirsagar P G