(1991). Geodetic work in the Netherlands 1987 - 1990: Report prepared for the General Assembly of the International Association of Geodesy, XXth General Assembly of the International Union of Geodesy and Geophysics, Vienna, 1991. Nederlandse Commissie voor Geodesie.
Chicago-Zitierstil (17. Ausg.)Geodetic Work in the Netherlands 1987 - 1990: Report Prepared for the General Assembly of the International Association of Geodesy, XXth General Assembly of the International Union of Geodesy and Geophysics, Vienna, 1991. Delft: Nederlandse Commissie voor Geodesie, 1991.
MLA-Zitierstil (9. Ausg.)Geodetic Work in the Netherlands 1987 - 1990: Report Prepared for the General Assembly of the International Association of Geodesy, XXth General Assembly of the International Union of Geodesy and Geophysics, Vienna, 1991. Nederlandse Commissie voor Geodesie, 1991.