Extraction of keratin from wool and its use as biopolymer in film formation and in electrospinning for composite material processing
S. Goyal, M. Dotter, E. Diestelhorst, J.L. Storck, A. Ehrmann, B. Mahltig, Journal of Engineered Fibers and Fabrics 17 (2022).

Laser diffraction images for determination of natural and man-made fibers
A. Dörfert, H. Spexard, A. Al-Manadili, A. Housin, D. Steinhäußer, J. Fiedler, A. Ehrmann, R. Kaschuba, Optik 197 (2019).