Accurate positions and some optical identifications for 67 radio sources between declinations +20° and +27° - Merkelijn, Jeannette K.; Shimmins, A. J.; Bolton, J. G., 1922-1993 ([Melbourne] : Commonwealth Scientific and Industrial Research Organization, 1968)
Keywords: astrofyzika; astronomická pozorování; radioastronomie; astronomical observations; astrophysics; radioastronomy; separáty; offprints