Wolfram Research
Wolfram Math World: Stokes Theorem
This site expresses Stokes Theorem: the relationship between curl, gradient, and divergence theorem. Includes references and links to further information.
Wolfram Research
Wolfram Math World: Curl Theorem
This mathWorld site explains this special case of Stokes' Theorem. The site contains links for reference.
Other
Wilkes University: Colloids and Suspensions
Defines colloids and suspensions as a function of particle size in pharmaceutical mixtures. Gives general info on Stokes law.