| 000 | 00405nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 170519s9999 xx 000 0 und d | ||
| 041 | _aEnglish | ||
| 082 | _a608/CRO | ||
| 100 | _aJ.G CHOWTHER | ||
| 245 | _aDISCOVERIES AND INVENTIONS OF THE 20TH CENTURY | ||
| 260 |
_bROUTLEDGE & KEGAN PAUL _aLONDON _c1955 |
||
| 300 | _c432P | ||
| 650 | _aINVENTIONS & PATENTS | ||
| 650 | _aTECHNOLOGY | ||
| 942 | _cBK | ||
| 999 |
_c65061 _d65061 |
||