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| 003 | AR-MpBUF | ||
| 005 | 20190606183658.0 | ||
| 008 | 190606b xxu||||| |||| 00| 0 spa d | ||
| 040 | _cBUF | ||
| 100 | _aGeorge, Piere | ||
| 245 | _aEl medio ambiente | ||
| 250 | _a1a ed. | ||
| 260 |
_aMadrid _bHispamerica _c1985 |
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| 300 | _a127 p. | ||
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_2ddc _cCD-ROM |
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