| 000 | 00382nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 140317s9999 xx 000 0 und d | ||
| 082 | _a333.73 | ||
| 100 | _aHutchinson,J. | ||
| 245 | _aResource development in semiarid lands. | ||
| 260 |
_aLondon _bThe Royal Society _c1977 |
||
| 300 | _a614 | ||
| 650 | _aEconomics | ||
| 653 | _aEconomics | ||
| 700 | _aOthers | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c8548 _d8548 |
||