1990-8644
1990-8644
S1990-86442018000300251
Cuba
Cuba
00
06
2018
00
06
2018
14
63
251
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4
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1
1
1
14-26
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4
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Vol.41
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3rd. ed
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15
1
1
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3
3
3
550-9
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33-44
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1
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4
10
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3
66-74
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[
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3)
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[
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6)
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[
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6
10
10
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