1. Convergence and ordering of Kohonen's batch map;Cheng;Neural Comput.,1997
2. Colorimetry C.I.E, Vol., CIE Publication,Central Bureau of the CIE, Vienna, 2004.
3. A Kohonen map representation to avoid misleading interpretations;Cottrell,1996
4. Theoretical and applied aspects of the self-organizing maps;Cottrell,2016
5. An elementary proof of a theorem of Johnson and Lindenstrauss;Dasgupta;Random Struct. Algorithms,2003