Measurements of vertical air currents in the atmosphere (1931)
NASA Technical Reports Server (NTRS) · leaf 11
N.A.C.A. Technic al Memorandum No.648 Figs. 3, 4 Fig. 3 Course of "balloon over the Rhon, unstable tempera- ture layers. Fig.4 Course of a balloon in the Rhbn.
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