@misc{hofmann_xray_investigations_1992, 
author={Hofmann, D.,Leonhardt, R.,Weigel, P.},
title={X-ray investigations on annealed fibres of poly(p-phenylene-1,3,4- oxadiazole)},
year={1992},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Hofmann, D.; Leonhardt, R.; Weigel, P.: X-ray investigations on annealed fibres of poly(p-phenylene-1,3,4- oxadiazole). Journal of Applied Polymer Science. 1992. vol. 46, no. 6, 1025-1032.}}