000 | 003540000a22001450004500 | ||
---|---|---|---|
060 | _a100 | ||
082 | _a608 CRO | ||
100 | _aCrowther, J G | ||
245 | _aDiscoveries and inventions of the 20th Century | ||
260 | _aLondon, Routledge and kegan paul | ||
260 | _c1966 | ||
300 | _a434 | ||
650 | _aInventions / patents / discoveries | ||
942 | _cBK | ||
999 |
_c353221 _d353221 |