TY  - RPRT
TI  - A representational analysis of numeration systems.
AU  - J Zhang
AU  - D A Norman
PY  - 1995
DO  - 10.1016/0010-0277(95)00674-3
UR  - https://pubmed.ncbi.nlm.nih.gov/8556844/
ID  - 8556844
ER  -