| 000 | 00358nam a2200145Ia 4500 | ||
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| 008 | 140317s9999 xx 000 0 und d | ||
| 082 | _a338.1 | ||
| 100 | _aEckaus,R.S. | ||
| 245 | _aAppropriate technologies fordeveloping countries. | ||
| 260 |
_aWashington _bNAS _c1977 |
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| 300 | _a137 | ||
| 650 | _aEconomics | ||
| 653 | _aEconomics | ||
| 942 |
_2ddc _cBK |
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| 999 |
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