1. Plywood Manufacturing Practices;Baldwin,1975
2. Chisel on the Wheel: A Comprehensive Reference to Modern Woodworking Tools and Materials;Effner,1992
3. Sawing, Milling, Planing, Boring: Wood Machining and Cutting Tools (in German);Ettelt,1987
4. The Leitz Lexicon,2001
5. Machining;Koch,1985