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00778nam a2200241 u 4500 |
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20110720143301.0 |
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c1958 s1958 xxu ||||| eng |
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|a 0870150782
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| 035 |
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|a 19947
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| 040 |
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|a Sistema de Bibliotecas del Universidad de Costa Rica
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| 041 |
0 |
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|a eng
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| 082 |
0 |
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|a 513.028
|b C948a
|2 00
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| 100 |
1 |
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|a Crook, Welton J.
|e Autor/a
|4 aut
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| 245 |
1 |
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|a Abacus arithmetic :
|b how to perform some calculations on the chinese abacus /
|c by Welton J. Crook
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| 260 |
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|a Palo Alto, Calif. :
|b Pacific Books,
|c c1958.
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| 300 |
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|a 69 páginas :
|b ilustraciones ;
|c 20 cm
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| 650 |
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|a ABACO
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| 650 |
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|a MATEMATICAS
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| 650 |
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|x INSTRUMENTOS
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| 912 |
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|a 20-JUL-2011 - SALAZAR ALVAREZ, CLAUDIO
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| 949 |
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|a LM-IR B.LM
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| 916 |
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|a Registros del LS-2000
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