1. An approximate minimum degree ordering algorithm;Amestoy;SIAM Journal on Matrix Analysis and Applications,1996
2. Electromagnetic and electrical modeling by the finite element method;Coggon;Geophysics,1971
3. Davis, T.A. , Gilbert, J.R. , Larimore, S.I. & Ng, E.G. , 2000. A column approximate minimum degree ordering algorithm, Tech. Rep. TR-00-005, Department of Computer and Information Science and Engineering, University of Florida.
4. Resistivity modeling for arbitrarily shaped three-dimensional structures;Dey;Geophysics,1979
5. IP and resistivity type curves for three-dimensional bodies;Dieter;Geophysics,1969