ICA 1959-1984 : the first twenty-five years of the International Cartographic Association / compiled by Ferdinand J. Ormeling SrAssociation Cartographique Internationale : annuaire 2003-2007 / rédigée par Ferjan Ormeling et Yde Bouma = International Cartographic Association : directory 2003-2007 / ed. by Ferjan Ormeling and Yde Bouma