¹û¶³Ó°Ôº

. Ökologisches Wirtschaften (2) 35 - 38. 

Bleischwitz, R; Steger Sören,; Onischka Mathias,; Bahn-Walkowiak Bettina,; (2009) 

The full text of this article is not available through ¹û¶³Ó°Ôº Discovery.