Hornborg, S. & Svensson, M. & Nilsson, P. & Ziegler, F. (2013)
By-Catch Impacts in Fisheries: Utilizing the IUCN Red List Categories for Enhanced Product Level Assessment in Seafood LCAs. Environmental Management, 52(5), 1239–1248
DOI: 10.1007/s00267-013-0096-7
Ziegler, H.E. & Ziegler, F. (1892)
Beiträge zur Entwickelungsgeschichte von Torpedo. Archiv für Mikroskopische Anatomie, 39(1), 56–102
DOI: 10.1007/BF02961526