| 000 | 00334nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1981 xx 000 0 und d | ||
| 082 | _a333.79 DEU | ||
| 100 | _aDeudney Daniel | ||
| 245 | 0 | _aRivers of Energy : The Hydropower Potential. Worldwatch Paper 44 | |
| 260 |
_bWorld Watch Paper _c1981 |
||
| 300 | _a55 p. | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c866816 _d866816 |
||