Environmental economics, policy and international relations : papers presented at 8th seminar of PhD students, young scientists and researchers of Visegrad group countries, October 12-13, 2006, The University of Economics, Prague, Czech Republic / organized by the University of Economics, Prague, (Department of Environmental Economics) and the Ministry of the Environment of the Czech Republic.    Prague :  Nakladatelství a vydavatelství litomyšlského semináře,  2006 . 254 s.