TY - JOUR Y1 - 2001/// TI - Hieroglyphic writing during the fourth millennium BC: an analysis of systems EP - 134 UR - https://archiv.ub.uni-heidelberg.de/propylaeumdok/2634/ JF - Archéo-Nil VL - 11 ID - propylaeumdok2634 A1 - Kahl, Jochem SP - 101 AV - public ER -