000 00333pam a2200145a 44500
082 _a511.2
_bK82j
100 _aKojima, Takashi
245 1 _aTHE JAPANESE ABACUS
_cITS USE AND THEORY
250 _a1st
260 _aRutland, Vt.
_bC. E. Tuttle
_c1954
300 _a102
650 _aAbacus
964 _gCIRC
997 _a53650 C
999 _c409521
_d409521