The physical state of the upper atmosphere.
APA Citation
Haurwitz, B., Royal Astronomical Society of Canada. (1941). The physical state of the upper atmosphere. Toronto: Royal astronomical society of Canada.
MLA Citation
Haurwitz, Bernhard, 1905-, and Royal Astronomical Society of Canada. The Physical State of the Upper Atmosphere. Toronto: Royal astronomical society of Canada, 1941.
Warning: These citations may not always be complete (especially for serials).