EuroGeo 6 - 2016 Ljubljana Slovenia Accelerated ageing of polypropylene geotextiles in autoclaves at elevated temperature and oxygen pressure C. Els, C. MacKenzie, H. Zanzinger, S. Hausmann Access
GeoAmericas 4 - 2020 Rio de Janeiro Requirements for PE geopipes in German landfills with regard to stress cracking resistance and oxidation resistance Helmut Zanzinger Access