00511nam a2200145Ia 4500003000900000008004100009020002600050040001600076100002500092245006000117260003200177300002000209490003300229856010300262IN-BaIIA211028s9999 xx s 000 0 eng d a9780819425621 (Print) cIIA Library aArecchi, Angelo, ed. 0aPhotometric Engineering of Sources and Systemsh[eBook] aWashington, USAbSPIEc1997 aOnline resource aProceedings of SPIE; V. 3140 uhttps://www.spiedigitallibrary.org/conference-proceedings-of-spie/3140yClick Here to Access eBook