Digital Images and Computer Modeling.
Experimental Methods in the Physical Sciences. Volume 35. Methods in the Physics of Porous Media. Chapter 1, Academic Press, San Diego, CA, 1-41 p., 1999.
Garboczi, E. J.; Bentz, D. P.; Martys, N. S.
The National Institute of Standards and Technology (NIST) is an agency of the U.S. Commerce Department.