Compatibility of agriculture and forestry with environmental protection

Case history of the improvement of the Reuss Valley : Excursion of 20.9.1979, Third Ministerial Conference of Environmental Protection in Switzerland

Verfasser / Beitragende:
Text an Photos Erich Kessler, Richard Maurer; Publ.: Executive Council of the Canton of Aargau
Ort, Verlag, Jahr:
Aarau : [Verlag nicht ermittelbar], 1979
32 p ; ill ; 4°
ID: 00029280X