Jörg Lücke Christoph von der Malsburg Rolf P. Würtz Macrocolumns as Decision Units. 57-62 2002 conf/icann/2002 ICANN http://link.springer.de/link/service/series/0558/bibs/2415/24150057.htm db/conf/icann/icann2002.html#LuckeMW02