000 00457nam a2200205Ia 4500
008 210529s9999||||xx |||||||||||||| ||und||
040 _aSOETPKD
041 _aEnglish
100 _aSINGH, S. P.
245 _aOPTICS
250 _a6TH
260 _bPRAGATI PRAKASHAN
_aMEERUT
_cNA
300 _aNA
_bNA
500 _a36554-56
650 _aNA
650 _aNA
700 _aAGARWAL, J. P.
_42nd Auth
942 _cBK
999 _c22028
_d22028