1
Environmental planning handbook : for sustainable communities and regions /
Book
...UHC - Area planning and environment...
Table of Contents 
2
Jahresbericht / Institut für Ökologische Raumentwicklung. 1998 /
Book
...UHC - Area planning and environment...
3
Leitfaden zum ökologisch orientierten Bauen /
Book
...UHC - Area planning and environment...