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005 | 20181212123651.0 | ||
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020 | _a0-08-022033-9 | ||
040 | _aBFFZ | ||
080 | _a631.45 TOL | ||
100 | _aTOLBA, Mostafa K. | ||
245 | _aDesertification: Its causes and conserquences | ||
260 |
_aNew York _bPERGAMON PRESS _c1977 |
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300 | _a448 p. | ||
650 | 0 |
_93851 _aDESERTIFICACION |
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