00505nam a2200157Ia 4500003000900000008004100009040001600050080001500066100001900081245011400100260003900214300001500253650001400268650004100282650002400323IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a521.1bPLU  aPlummer, H. C. 3aAn introductory treatise on dynamical astronomycH. C. Plummer                                                 aNew YorkbDover Publicationsc1918  axix, 343p.  aAstronomy  aAstronomy and astrophysics thesaurus  aDynamical astronomy