tigure 5S. Comparison of depth-dose curves envT<ssS2ad as retce at of air for bilateral and 4 "i eX vsure fret Bond 1900 . oo . ‘ e , i ! o PER CENT AIR DOSE At SURFACE : i | : i aly £34), i | | \ t i ’ i . . et 47 EXPOSURE, ! MANY SOURCES ms '35 a 4 5 ‘ RATOISS ‘ BILATERAL A 10 5 ExPOSURE, ee i Z DIVERGING SOURCE 39% | — 5 - 4 . . : 22 oon 25 a> CM MASCNITE Lt 4. eo DEPTH COSE DISTRIBUTION IN CYLINGF ICAL PRaNTOM, 20 Facitit SMR 09 36