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971015u1997uuuuag |||||||||||| || spa|d |
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|a 0329-9457
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| 035 |
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|a 000220642
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| 040 |
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|a AR-BaBNM
|b spa
|e aacr
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| 245 |
0 |
0 |
|a Educación en ciencias.
|
| 260 |
|
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|a Buenos Aires :
|b Universidad Nacional de Gral. San Martín,
|c 1997.
|
| 300 |
|
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|a v. :
|b il.
|
| 310 |
|
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|a 3/año
|
| 650 |
|
4 |
|a Ciencia
|9 6975
|
| 650 |
|
4 |
|a Enseñanza de la ciencia
|
| 866 |
|
0 |
|a 1997 (1998-9)
|
| 866 |
|
0 |
|a 1 (1997)
|
| 866 |
|
0 |
|a 2(4, 6) (1998)
|
| 866 |
|
0 |
|a 3 (1999)
|
| 942 |
|
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|2 udc
|c ISSUE
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| 999 |
|
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|c 10160
|d 10160
|