00350nam a2200157Ia 4500008004100000020001800041082001000059082001200069100001100081100001000092245003100102260001100133260002200144260000900166999001700175240117s9999||||xx |||||||||||||| ||und||  a81-7556-616-7  aDR./A  b530.028  adr.s.p  asingh 0aadvanced practical physics  ameerut  bpragati prakashan  c2004  c15907d15907