1. Whitney, H., Geometric Integration Theory, Princeton University Press, Princeton, 1957.
2. Kellogg, O. D., Foundations of Potential Theory, Dover, New York, 1953.
3. Federer, H., Geometric Measure Theory, Springer-Verlag, Berlin Heidelberg New York, 1969.
4. Giusti, E., Minimal surfaces and functions of bounded variation, (notes by G. H. Williams) Notes in Pure Mathematics
10, Austral. Nat. Univ., Canberra, 1977.
5. Gurtin, M. E., & W. O. Williams, An axiomatic foundation for continuum thermodynamics, Arch. Rational Mech. Anal. 26, 83–177, 1967.