00625nam0-22002291i-450-990001243190403321000124319FED01000124319(Aleph)000124319FED0100012431920000920d1960----km-y0itay50------baengPhysics of the Upper Atmosphereby RATCL IFFE J.A.New York [etc.]Academic Press1960.ITUNINARICAUNIMARCBK990001243190403321204-E-243552MA1MA1Physics of the Upper Atmosphere340936UNINAING01