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024 _a11105
037 _cDissertations
040 _aCRL
_cCRL
_beng
041 _2eng
_aeng
100 _aMittal Ashok Kumar
_9561976
110 _aUniversity of Delhi. Faculty of Science. Department of Physics and Astrophysics
_9519374
245 0 _aSingular potentials
260 _c1974
650 _aPHYSICS
700 _aUniversity of Delhi. Faculty of Science. Department of Physics and Astrophysics
_9519380
942 _cDIS
_2CC
999 _c896091
_d896091