The Japanese abacus explained/
Yoshino, Yiozio
The Japanese abacus explained/ With an introd. by Martin Gardner. - New York: Dover, [1963]. - xiii, 240 p.: illus., 22 cm.
"T1109." "An unabridged and unaltered republication of the work first published ... in 1937."
63020256
GB64-4550
Abacus.
511.207 / Y65j
The Japanese abacus explained/ With an introd. by Martin Gardner. - New York: Dover, [1963]. - xiii, 240 p.: illus., 22 cm.
"T1109." "An unabridged and unaltered republication of the work first published ... in 1937."
63020256
GB64-4550
Abacus.
511.207 / Y65j