References
Denise Schmandt-Besserat
(1990-1999)
X(1992). Before writing (Vols 1.-0). Austin: University of Texas Press.
(1992). Before writing 1: from counting to cuneiform. Austin: University of Texas Press.
(1992). The origin of visible language. In J. Wind, B. Chiarelli, B. Bichakjian, A. Nocentini, & A. Jonker (Eds.). Language origin (pp. 225-234). Dordrecht: Springer.