Environmental Accounting - Sustainable Development Indicators : May 23-25, 2007, Prague : proceedings of the 3rd international conference EA-SDI 2007 / organised by Jan Evangelista Purkyně University in Ústí nad Labem in collaboration with Charles University Environment Center   .  In Ústí nad Labem :  Jan Evangelista Purkyně University,  2007 . 527 s.