1. Assad C (1997) Electric field maps and boundary element simulations of electrolocation in weakly electric fish. PhD thesis, California Institute of Technology, Pasadena, University Microfilms Inc, Ann Arbor
2. Assad C, Rasnow B, Stoddard PK (1999) The electric organ discharges and electric images during electrolocation. J Exp Biol 202:1185?1193
3. Attneave F (1954) Some informational aspects of visual perception. Psychol Rev 61:183?193
4. Bacher M (1983) A new method for the simulation of electric fields, generated by electric fish, and their distortions by objects. Biol Cybern 47:51?58
5. Barlow HB (1961) Possible principles underlying the transformation of sensory messages. In: Rosenblith WA (ed) Sensory communication. MIT Press, Cambridge, pp 217?234