| 000 | 00342nam a22001337a 4500 | ||
|---|---|---|---|
| 005 | 20241005162539.0 | ||
| 041 | _aeng | ||
| 100 | _aLau, Chung Him | ||
| 245 | _aThe Principles and Practice of the Chinese Abacus | ||
| 260 |
_aHong Kong _bLau Chung Him & Co _c1962 |
||
| 650 | _aScience -- Mathematics -- Abacus | ||
| 942 | _2ddc | ||
| 999 |
_c74428 _d74428 |
||