000 | 01186nam a2200277 a 4500 | ||
---|---|---|---|
008 | 240221s1976^^^^sw^a^^^^^^^^^^000^0^eng^^ | ||
020 | _a9154602122 | ||
035 | _aMX001002229944 | ||
040 |
_aDLC _bspa _erda _cDLC _dMX-MxUNAM |
||
050 | 0 |
_aGB618.82 _bR36 |
|
100 | 1 |
_aRapp, Anders, _eautor |
|
245 | 1 | 0 |
_aCan desert encroachment be stopped? : _bA study with emphasis on Africa / _cA. Rapp, H. N. Le Houérou and B. Lundholm, (editors) |
264 | 1 |
_aStockholm : _bSwedish Natural Science Research Council, _c[1976] |
|
300 |
_a241 páginas : _bilustraciones |
||
336 |
_atexto _2rdacontent |
||
337 |
_asin medio _2rdamedia |
||
338 |
_avolumen _2rdacarrier |
||
490 | 0 |
_aEcological bulletins ; _vno. 24 |
|
500 | _a"Report published in cooperation between the United Nations Environment Programme (UNEP) and the Secretariat for International Ecology, Sweden (SIES)" | ||
650 | 0 |
_aDesertificación _zÁfrica |
|
650 | 0 |
_aDesertificación _zCercano Oriente |
|
650 | 0 |
_aRegiones áridas _zÁfrica |
|
650 | 0 |
_aAgricultura de regiones áridas _zCercano Oriente |
|
700 | 1 |
_aLe Houérou, H. N., _q(Henri Noël), _eautor |
|
700 | 1 |
_aLundholm, Bengt, _eautor |
|
999 |
_c15741 _d15741 |