000 00306nam a22001457a 4500
003 SGT
020 _a9789351405207
082 _bGUP
100 _aGUPTA ALKA L.
245 _aPHOTO CHEMISTRY
260 _bPRAGATI PRAKASHAN
_c2018
300 _a172
650 _aPHYSICAL SCIENCE
942 _2ddc
_cBK
_030
999 _c16066
_d16066