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00661nam a2200205 a 4500 |
| 001 |
25922 |
| 003 |
AR-LpUBP |
| 005 |
20250704184055.0 |
| 007 |
ta |
| 008 |
090407s1933 xxu g 000 0 eng d |
| 040 |
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|a AR-LpUBP
|b spa
|c AR-LpUBP
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| 100 |
1 |
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|a Brown, Ralph
|9 25720
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| 245 |
1 |
0 |
|a Mathematical difficulties of students of educational statistics
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| 260 |
|
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|a New York :
|b Columbia University,
|c 1933.
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| 300 |
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|a 64 p. ;
|c 21 cm.
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| 942 |
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|c BK
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| 952 |
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|0 0
|1 0
|2 udc
|4 0
|6 FB01516
|7 0
|9 40189
|a DUN
|b DUN
|c FG
|d 2023-07-10
|i 001337/35
|l 0
|o Fb-01516
|p DUN001337x35
|r 2023-07-10 20:24:26
|w 2023-07-10
|y BK
|
| 999 |
|
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|c 25922
|d 25922
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| 988 |
|
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|c 34
|d Miguel Kiperszmid
|
| 997 |
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|z a
|