Absolute reflectance of Eastman White Reflectance Standard.

publication of Letters containing new, significant material in (who in effect has served as the referee and whose sponsorrapidly advancing areas of optics judged compelling in their ship will be indicated in the published Letter) and A COMMITtimeliness. The author of such a Letter should have his MENT FROM THE AUTHOR'S INSTITUTION TO PAY THE PUBLICATION manuscript reviewed by an OSA Fellow who has similar CHARGES. TheLetterwillbepublishedwithoutfurtherrefertechnical interests and is not a member of the author's instieeing. The latest Directory of OSA Members, including Feltution. The Letter should then be submitted to the Editor, lows, was published in the Spring 76 issue of Optics News.