Digital terrain model of EstoniaKrusberg, PeepGIS - Baltic Sea States '97 : exhibition, conference, Tallinn, Estonia, 13-15 November, 1997 : abstracts1997 / p. 29-30

Eesti digitaalne kõrgusmudelKrusberg, PeepGeodeet1998 / lk. 15-20

Estonian Base Map projectKrusberg, PeepGIS-Baltic Sea States '95 : exhibition, conference - Tallinn, Estonia, 13-15 December, 1995 : abstracts, catalogue1995 / p. 27

Estonian base map project and its applicationsKrusberg, Peep; Sagris, V.Geographical Information '97. Vol. 2, Third Joint European Conference & Exhibition on Geographical Information, Vienna, Austria1997 / p. 937-945

Problems of implementing spatial data standards in EstoniaKrusberg, PeepGIS-Baltic Sea States '93 : exhibition, conference, Tallinn, Estonia, 29 November - 1 December : proceedings1994 / p. 294-299

Problems of implementing spatial data standards in EstoniaKrusberg, PeepGIS-Baltic Sea States '93 : exhibition, conference, Tallinn, Estonia, 29 November - 1 December 1993 : abstract book, catalogue1993 / p. 74