Newspaper / Magazine article
Ochsen statt Traktoren
Wlcek S. Ochsen statt Traktoren. 2003.
BOKU Autors
Werner Zollitsch
Univ.Prof. Dipl.-Ing. Dr. Werner Zollitsch
Sonja Wlcek
Dipl.-Ing. Sonja Wlcek
Univ.Prof. Dipl.-Ing. Dr. Werner Zollitsch
Dipl.-Ing. Sonja Wlcek