| 000 | 00946nam a2200229Ia 4500 | ||
|---|---|---|---|
| 008 | 181219s9999||||xx |||||||||||||| ||und|| | ||
| 041 | _aeng | ||
| 082 | _a556.535.6 | ||
| 086 |
_2LIBVA-LIBROS _a1893 |
||
| 111 |
_aInternational Symposium on Water Erosion _cVarna, Bulgaria _d1988 _922087 |
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| 245 | 0 | _aProceedings of the International Symposium on Water Erosion, 19-24 September 1988, Varna, Bulgaria | |
| 260 |
_aSofia _bUNESCO _c1988 |
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| 300 |
_a376 Páginas _bil. _c21 cm |
||
| 504 | _aBibliografía al final de las ponencias | ||
| 546 | _aInglés | ||
| 650 |
_aCONFERENCIAS _922088 |
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| 650 |
_aEROSION _917456 |
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| 650 |
_aEROSION DEL SUELO _93862 |
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| 650 |
_aTRANSPORTE DE SEDIMENTOS _916597 |
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| 710 |
_aPrograma Hidrológico InternacionalPrograma sobre el Hombre y la BiosferaUnescoBulgaria _bNational Committees for the International Hydrological Programme and for the Programme on Man and the Biosphere |
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| 942 | _cBK | ||
| 999 |
_c6706 _d6706 |
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