%0 Journal Article %A Kahl, Jochem %D 2001 %F propylaeumdok:2634 %J Archéo-Nil %P 101-134 %R 10.11588/propylaeumdok.00002634 %T Hieroglyphic writing during the fourth millennium BC: an analysis of systems %U https://archiv.ub.uni-heidelberg.de/propylaeumdok/2634/ %V 11