000 00274nam a22001217a 4500
999 _c35734
_d35734
020 _a97899352833993
082 _a530/AVA
100 _aAvadhunalu M.N.
245 _aA Text Book of Engineering Physics
260 _aDelhi
_bS.Chand Co.
_c2021
300 _a1411
942 _cBK