TY  - JOUR
A1  - Szaramowicz, Martin
A1  - Rößling, Holger
A1  - Jessel, Beate
A1  - Gall, Beate
T1  - Functions and functional units in ecologically oriented planning : tasks, state of the art and problems
Y1  - 2005
SN  - 3-931175-76-6
ER  -