Masters, questions and challenges in the abacus schools
Crossref DOI link: https://doi.org/10.1007/s00407-015-0160-1
Published Online: 2015-07-17
Published Print: 2015-11
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Ulivi, Elisabetta
Text and Data Mining valid from 2015-07-17