00417nam a2200157Ia 4500003000900000008004100009040001600050080001700066100001800083245003600101260003800137300001500175650004100190650001100231650001700242IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a551.594bSTO  aStormer, Carl 4aThe polar auroracCarl Størmer  aOxfordbThe Clarendon Pressc1955  axvi, 395p.  aAstronomy and Astrophysics Thesaurus  aAurora  aPolar Aurora