000 00263nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _a"Ramamoorthy, S. & et.al"
245 0 _aPhysics
260 _bNational
260 _c1966
365 _b10.00
942 _cBK
999 _c138421
_d138421