00725nam a22002171a 450000100060000000300080000600500170001400800410003103500190007204000350009104100080012608200200013411000850015424501200023926000300035930000340038950400200042365000200044365000230046370000210048610702BD-RjUL20211208235012.0140125s1956    enk           001 0 eng d  a(BD-RjUL)10751  aNZOCbengcNZOCdNZOCdBD-RjUL  aeng  a551.5bINS 19562 aInternational Council of Scientific Unions.bMixed Commission on the Ionosphere.10aSolar eclipses and the ionosphere :ba symposium held ... in August, 1955 /ceditors: W.J.G. Beynon and G.M. Brown.  aLondon :bPergamon,c1956  ax, 330 p. :billus. ;c25 cm.  aIncludes index. 0aSolar eclipses. 0aAtmosphere, Upper.1 aBeynon, W. J. G.