000 00402nam a2200145Ia 4500
008 211109s9999||||xx |||||||||||||| ||und||
082 _a535
_bCLA-P
100 _aClay,
245 0 _aPractical Exercise in Light
260 _bNATIONAL BOOKSTALL
_aKottayam
_c1900
300 _a245
630 _xGeneral Stack
650 _aLight
_vLight & infrared & ultraviolet phenomenaPhysics
_xPhysics
942 _cBOOK
999 _c1652
_d1652