1. The porosity of paper;Corte,1982
2. Fluid flow through paper and sheet structure;Corte,1966
3. Paper: An Engineered Stochastic Structure;Deng,1994
4. C.T.J. Dodson and W.W. Sampson, Mathematica notebook available as a personal communication or via the World Wide Web at: http://www.chem-eng.utoronto.ca/papersci/PaperSci.html.