00424nam a2200157Ia 4500003000900000008004100009040001600050080001200066100001900078245004200097260003900139300000800178650001400186650004100200650002500241IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a52bKAP  aKapteyn, J. C. 0aPlan of selected areascJ. C. Kapteyn  aGroningenbHoitsema Brothersc1923  a79p  aAstronomy  aAstronomy and Astrophysics Thesaurus  aPositional Astronomy