00431nam a2200145Ia 4500003000900000008004100009040001600050080001600066245006600082260003500148300001400183650004100197650002100238700002600259IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a551.51bPHY 0aPhysics of the upper atmospherecedited by J. A.  Ratcliffe    aNew YorkbAcademic Pressc1960  axi, 586p.  aAstronomy and astrophysics thesaurus  aUpper atmosphere  aRatcliffe, J. A., ed.