| 000 | 00455cam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 180718b1978 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aT2 Un3at | ||
| 245 |
_aAppropriate tecnnologies in civil engineering works in developing countries: an exploratory appraisal of the state of the art _cby Department of Economic and Social Affairs |
||
| 260 |
_aNew York _bUnited Nations _c1978 |
||
| 300 | _a63+p | ||
| 700 | _aU.S.A. Department of Economic and Social Affairs | ||
| 999 |
_c497474 _d497474 |
||