000 00307nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _a"Ramamoorthy S,Krishnamoorthy S And Rajagopalan P R"
245 0 _aLight
260 _bNational Publications
_c1970
300 _a432p
650 _aPhysics
942 _cBK
999 _c32775
_d32775