TY - CHAP T1 - Abacus T2 - Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures UR - http://dx.doi.org/10.1007/978-94-007-7747-7_9413 PY - 2016/01/01 AU - Reynolds BE ED - DO - DOI: 10.1007/978-94-007-7747-7_9413 PB - Springer Netherlands SP - 1 EP - 3 Y2 - 2024/12/22 ER -