Books by Hövelmann, Gerd H. 1 books by this author Found Matches | Filtered / Hövelmann, Animal ‘Language’ Research. The Perpetuation of Some Old Mistakes., 1989. Hövelmann, Gerd H.: Animal ‘Language’ Research. The Perpetuation of Some Old Mistakes. In: Semiotica 73/3 (1989). S. 199–218.