# started 2012-07-24T13:09:30Z "Abril"@ca . "Category:April"@ca . "abril"@ca . "AIX"@ca . . . . . . "61"^^ . "Novembre de 2007"@ca . "En desenvolupament"@ca . . . "Carruccio"@ca . "Ettore"@ca . "Mathematics And Logic in History And in Contemporary Thought"@ca . "Aldine Transaction"@ca . "2006"^^ . "202308502"^^ . "Crump"@ca . "Thomas"@ca . "The Japanese Numbers Game: The Use and Understanding of Numbers in Modern Japan"@ca . "Routledge"@ca . "1992"^^ . "415056098"^^ . "Ifrah"@ca . "Georges"@ca . "2001"^^ . "The Universal History of Computing: From the Abacus to the Quantum Computer"@ca . "New York"@ca . "John Wiley & Sons"@ca . "Körner"@ca . "Thomas William"@ca . "William Leonard"@ca . "Langer"@ca . "The Pleasures of Counting"@ca . "Houghton Mifflin Books"@ca . "1996"^^ . "521568234"^^ . "Mollin"@ca . "Richard Anthony"@ca . "Fundamental Number Theory with Applications"@ca . "CRC Press"@ca . "1998"^^ . "September"@ca . "849339871"^^ . "Peng Yoke Ho"@ca . "Li, Qi and Shu: An Introduction to Science and Civilization in China"@ca . "Courier Dover Publications"@ca . "2000"^^ . "486414450"^^ . "Pullan"@ca . "J. M."@ca . "1968"^^ . "The History of the Abacus"@ca . "Books That Matter"@ca . "London"@ca . "0"^^ . "Reilly"@ca . "Edwin D."@ca . "William Leonard"@ca . "Langer"@ca . "Concise Encyclopedia of Computer Science"@ca . "John Wiley and Sons"@ca . "2004"^^ . "470090952"^^ . "Smith"@ca . "David Eugene"@ca . "History of Mathematics"@ca . "Volume 2"@ca . "Courier Dover Publications"@ca . "1958"^^ . "486204308"^^ . "Stearns"@ca . "Peter