000 00289nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aKumara Velu And Susila Kumaravelu
245 0 _aAstronomy
260 _bJanaki Calender Co
_c1986
300 _a572p
650 _aPhysics
942 _cBK
999 _c33112
_d33112