000 00402nam a2200193Ia 4500
008 240530s9999 xx 000 0 und d
082 _a539
082 _bCHA
100 _aCHALAPATHI RAO
245 0 _aB SC PHYSICS SOUND
250 _n0
250 _n1985
260 _bCOMM LET
300 _a240
365 _b20
650 _aPHYSICS
942 _cREF
950 _CSCIENCE AND HUMANITIES
999 _c190533
_d190533