| 000 | 00444nam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 230517b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aR 5/6(058) _bK9 |
||
| 245 |
_a1970 Britannica yearbook of science and the future _c/ Encyclopaedia Britannica, Inc. |
||
| 260 |
_aChicago: _bEncyclopaedia Britannica, Inc., _c1969 |
||
| 300 | _a448p. | ||
| 650 | _aScience | ||
| 942 |
_2udc _cYBK |
||
| 999 |
_c31768 _d31768 |
||