| 000 | 00399nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 190516s9999 xx 000 0 und d | ||
| 100 |
_aCrowther, J.G. _9112646 |
||
| 245 | 0 | _aDiscoveries and Inventions of the 20Th Century | |
| 260 |
_bRoutledge & Kegan Paul _c1955 _aLondon |
||
| 300 | _a432 | ||
| 600 |
_tPhysics _91741 |
||
| 650 |
_aPhysics _91741 |
||
| 942 | _cBK | ||
| 999 |
_c101819 _d101819 |
||