Eriksson Ralf Elements of ecological economics. Eriksson Ralf; Andersson Jan Otto - London Routledge 2010 - ix,164p cm. ISBN: 2575.5293000000001 Standard No.: 113867 Source: 1435, 25/10/2011, Ashutosh Technical Books Textual Subjects--Topical Terms: Business Economics Dewey Class. No.: X:(G:55), Q0