00499nam a2200181Ia 4500003000900000008004100009020001800050040001600068080001900084100001800103245004700121260003300168300001000201490002900211650004100240650001500281650002100296IN-BaIIA211028s9999    xx            000 0 eng d  a0-306-30357-4  cIIA Library  a551.510.5bDAN  aDanilov, A. D 0aChemistry of the ionospherecA. D. Danilov  aNew YorkbPlenum Pressc1970  a296p.  aMonographs in Geoscience  aAstronomy and Astrophysics Thesaurus  aIonosphere  aUpper Atmosphere