00322nam a2200121Ia 4500008004100000020002100041082001700062100001900079245003800098250001300136260004000149300001100189260319s9999    xx            000 0 und d  a9.789352834e+012  a530.7bAVA/A  aAvadhanulu,M N 2aA Textbook of Engineering Physics  a11th Ed.  aNew DelhibS.Chand Publishingc2021  a1412p.