The cognitive basis of arithmetic https://www.psych.uni-goettingen.de/de/cognition/publications/de2010cognitive https://www.psych.uni-goettingen.de/@@site-logo/university-of-goettingen-logo.svg Helen De Cruz, Hansjörg Neth and Dirk Schlimm (2010) The cognitive basis of arithmetic PhiMSAMP, , vol. (), 11. ed
