000 00325pam a2200133a 44500
008 140414b1961 xxu||||| |||| 00| 0 eng d
082 _bDIB
100 _aDIBDIN, F J H
245 _aESSENTIALS OF LIGHT
_c
260 _aBOMBAY
_bB I PUBLICATION
_c1961
650 _aESSENTIALS OF LIGHT.
690 _aPHYSICS
906 _a23398
999 _c22550
_d22550