Johanss, Per-Olov Current issues in environmental economics / Per-Olo Johanss, Bengt Kristrom and Karl-Goran Maler. - Manchester : Manchester Univ. Press, 1996. - vii, 199 p. : ill. , 24 cm. Subjects--Topical Terms: Economics. Environmental economics. Dewey Class. No.: 333.7 / JOH