000 | 00572nam a2200193Ia 4500 | ||
---|---|---|---|
008 | 230524s9999 xx 000 0 und d | ||
040 | _cUDSM | ||
050 | _aERB PAM S616.A448T46 | ||
100 | 1 |
_aThomas, Gerald W. _eAuthor |
|
245 | 1 | 4 | _aThe Sahelian/Sudanian zones of Africa profile pof a fragile environment |
260 |
_aNew Mexico: _bNew Mexico State University, _c1981 |
||
300 |
_a99p.: _c28cm. |
||
650 | 1 | _aArid regions | |
650 | 1 | _aAgriculture | |
650 | 1 | _aEnvironment | |
650 | 1 | _aDesertification | |
650 | 1 | _aEnvironmental aspects | |
942 |
_2lcc _cPAM _n0 |
||
999 |
_c52001 _d52001 |