@misc{manthey_experiences_of_1988, 
author={Manthey, H.-J.,Camarini, C. S.,Kelb, W.,Leonhard, D.},
title={Experiences of Brasil/German NDT-Trials at PETROBRAS Research Platform - PPL - 1 - TG in 1988},
year={1988},
howpublished = {GKSS report},
note = {Online available at: \url{} (DOI). Manthey, H.; Camarini, C.; Kelb, W.; Leonhard, D.: Experiences of Brasil/German NDT-Trials at PETROBRAS Research Platform - PPL - 1 - TG in 1988. GKSS 89-E-62. 1988.}}