Meteorological conditions during the formation of ice on aircraft (1932)
NASA Technical Reports Server (NTRS) · leaf 30
Height,meters above ground Pig.4 Percentage freqiiencies of clear ice and rime formations at various heights above the ground, the latter representing the mean of the height interval in which, the formations occurred.
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
