A. M. Hartl, A. Buryak, R. W. Lang. "Molecular and morphological parameters governing yield failure of PE pipe materials" – Conference Paper

R. W. Lang. "Applicability and Limitations for Further Acceleration of Classification and Certification Testing of PE-HD Materials for Pressurized Pipes" – Conference Paper

P. Schoeffl, A. Hartl, R. W. Lang, G. Zehethofer. "Investigation of PE-HD pipes used in the Oil Industry" – Conference Paper