00335nam a2200145Ia 450000500170000000800410001704000090005808200120006710000320007924500230011126000120013426000230014626000090016930000110017820220114153730.0160502s9999    xx            000 0 und d  cLIRC  a530 GUP  aGupta, S.L. and Kumar, V.    aPractical physics   aMeerut   b Pragati Prakashan  c1999  a568 p.