@InCollection{bruske01book,
author = {J. Bruske and G. Sommer},
booktitle = {Self-Organizing Map Formation},
title = {Dynamic Cell Structure Learns Perfectly Topology Preserving Map},
publisher = {MIT Press, Cambridge, Massachusetts},
year = 2001,
editor = {K. Obermayer and T.J. Sejnowski},
pages = {385-404}
}