1. The Essence of Flycasting;KRIEGER,1987
2. Modern Fly Casting Method;KREH,1991
3. The Technology of Fly Rods;PHILLIPS,2000
4. G. A. SPOLEK, http://www.me.pdx.edu/graig/cast-ref.htm
5. The mechanics of flycasting: the fly line;SPOLEK;American Journal of Physics,1986