Baltic-GIS project, basic Geographic Information of the Baltic drainage basinLindkvist, TorbjörnGIS-Baltic Sea States '93 : exhibition, conference, Tallinn, Estonia, 29 November - 1 December 1993 : abstract book, catalogue1993 / p. 15

Basic geographical information of the Baltic drainage basinLindkvist, TorbjörnGIS-Baltic Sea States '93 : exhibition, conference, Tallinn, Estonia, 29 November - 1 December : proceedings1994 / p. 33-39: ill