00342nam a2200121Ia 450000500170000000800410001702000220005805000190008010000190009924500360011826000440015465000220019820251229172657.0251229s9999    xx            000 0 und d  a978-81-224-1456-1  aQC 174.12 .C43  aChaddha, G. S. 0aQuantum mechanicscG. S Chaddha  aNew Delhib New Age Internationalc2003  aQuantum Mechanics