000 00439nam a2200133Ia 4500
008 211109s9999||||xx |||||||||||||| ||und||
082 _a535
_bEDS-L
100 _aEdset [edwin],
245 0 _aLight For Students, With An Apprendix By N M B
260 _bNATIONAL BOOKSTALL
_aKottayam
_c1950
630 _xGeneral Stack
650 _aNatural sciences & mathematics
_vPhysicsLight & infrared & ultraviolet phenomena
_xGeneralia
942 _cBOOK
999 _c16370
_d16370