Manual of winds-aloft observations (WBAN).

Bibliographic Details
Corporate Author:	United States. Weather Bureau
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1959.
Series:	Its Circular O. ; 5th ed
Subjects:	Upper atmosphere. Meteorology > Observers' manuals. Balloons, Pilot.

Evans: US Documents (Annex 5th floor)