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|a AR-BaUNCB
|c AR-BaUNCB
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| 082 |
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4 |
|a 574
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| 100 |
1 |
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|a Lugo, Ariel E
|
| 245 |
1 |
4 |
|a Los sistemas ecológicos y la humanidad. /
|c Ariel E Lugo, Gregory L Morris
|
| 260 |
|
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|a Washington :
|b O.E.A.,
|c 1982.
|
| 300 |
|
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|a 82 p. ;
|c 22 cm.
|
| 440 |
|
0 |
|a Biología.;
|v no. 23
|
| 650 |
|
7 |
|a Monografías
|2 mpirdes
|
| 650 |
|
7 |
|a Biología
|2 mpirdes
|
| 650 |
|
7 |
|a OEA
|2 mpirdes
|
| 650 |
|
7 |
|a Genética vegetal
|2 unescot
|
| 700 |
1 |
|
|a Morris, Gregory L
|
| 942 |
|
|
|2 ddc
|c UNICO
|