000			00552pam a2200181a 44500
008			160408b1971 xxu||||| |||| 00| 0 eng d
082			_a535.2 _bK269l2
100			_aKeitz, H. A. E.
245	1		_aLIGHT CALCULATIONS AND MEASUREMENTS _cAN INTRODUCTION TO THE SYSTEM OF QUANTITIES AND UNITS IN LIGHT-TECHNOLOGY AND TO PHOTOMETRY
250			_a2nd rev.
260			_aBasingstoke _bMacmillan _c1971
300			_a430
440			_aPhilips Technical Library _v
650			_aPhotometry
650			_aLighting
964			_gCIRC
997			_aA17467 C
999			_c258875 _d258875