00522nam a2200169Ia 4500003000900000008004100009040001600050080001600066100001700082245009200099260003500191300001400226490004800240650004100288650001100329650001200340IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a523.64bPOR  aPorter, J. G 0aComets and meteor streamscJ. G. Porter                                                  aLondonbChapman and Hallc1952  axi, 123p.  aThe International astrophysics series; v. 2  aAstronomy and astrophysics thesaurus  aComets  aMeteors