SUROVÝ, Peter - DE ALMEIDA RIBEIRO, Nuno - SCHEER, Ľubomír. Remote sensed aerial imagery as an alternative source of data for forest growth and production modeling in open forest stands in southern Portugal. In Lesnícka fakulta. Revitalization and protection of ecological systems disturbed by natural disasters : international conference Zvolen, 10.3. 2006. - Zvolen : Technical University in Zvolen, 2006. ISBN 80-228-1573-X, p. 28.