1. Fundamentals of Leather Manufacturing;Heidemann,1993
2. Low-waste leather technologies;Ludvik,1991
3. Lederherstellung;Pauligk,1987
4. Physical Chemistry of Leather Making;Bieñkiewicz,1983
5. The 1998 John Arthur Wilson Memorial Lecture: New tannages for the new millenium;Covington;JALCA,1998