00303nam a2200121Ia 4500008004100000082000800041082001000049100002600059245004600085260001300131260002800144260000900172230118s9999||||xx |||||||||||||| ||und||  a530  bGHO/A  adr.samir kumarbghosh 2aa text book of advanced practical physics  acalcutta  bnew central book agency  c1985