| 000 | 00393nam a2200157Ia 4500 | ||
|---|---|---|---|
| 001 | 21684 | ||
| 008 | 140409s9999 xx 000 0 und d | ||
| 020 | _a0-85229-375-5 | ||
| 040 | _cPK-LaUMT | ||
| 082 |
_aR 031 _bENC- |
||
| 245 | _a1981 yearbook of science and the future | ||
| 260 |
_aChicago,USA: _bEncyclopedia Britannica, Inc., _c1981 |
||
| 300 | _a445 p. | ||
| 546 | _aEN | ||
| 942 | _cBK | ||
| 999 |
_c21985 _d21985 |
||