00335nam a2200133Ia 4500003000900000008004100009040001600050080001200066100001900078245004200097260003900139300000900178650001400187IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a52bKAP  aKapteyn, J. C. 0aPlan of selected areascJ. C. Kapteyn  aGroningenbHoitsema Brothersc1923  a79p.  aAstronomy