LIS for the local authorities in Estonia - problems and perspectivesMaasikamäe, SiimGIS-Baltic Sea States '93 : exhibition, conference, Tallinn, Estonia, 29 November - 1 December 1993 : abstract book, catalogue1993 / p. 66

LIS for the local authorities in Estonia - the problems and perspectivesMaasikamäe, SiimGIS-Baltic Sea States '93 : exhibition, conference, Tallinn, Estonia, 29 November - 1 December : proceedings1994 / p. 260-264