Summary of aerological observations obtained by means of kites, airplanes and sounding balloons in the United States - Lennahan, Charles Michael, 1906- (Washington, U.S. Govt. Print. Off., 1938)
At head of title: W. B. no. 1235 ... United States Dept. of Agriculture. Weather Bureau.
"Original publications and other souces of data used ...": p. 40.
Keywords: Aeronautics in meteorology