www.chemheritage.org/educationa/services/nylon/legacy.htm
Copyright 2000
The chemical Heritage foundation
www.fibersource.com/F-tutor/nylon.htm
Nylon Fiber
Copyright 1997-2005
American Fibermanufacturers
Association/Fiber Economics Bureau
pslc.ws/macrog/nylon.htm
Copyright 2005
Polymer Science Learning Center