00253nam a2200109 a 450000500170000002000150001708200160003210000190004824500220006726000280008930000260011720251203110737.0  a8173196338  a530.12bDEV  aDevanathan, V.  aQuantum mechanics  aNew DelhibNarosac2005  axiii,332p.c26 cm. PB