| 000 | 00638nam a2200181 a 4500 | ||
|---|---|---|---|
| 005 | 20150716132131.0 | ||
| 020 | _a0-89490-632-1 | ||
| 100 | 1 | 0 | _aJeffrey, Laura S. |
| 245 | 1 | 0 |
_aAmerican inventors of the 20th century / _cLaura S. Jeffrey. |
| 260 | 0 |
_aSpringfield, NJ : _bEnslow, _c1996. |
|
| 300 | _a112p | ||
| 440 | 0 | _aCollective Biographies | |
| 500 | _aBibliographical references and index. | ||
| 520 | _aProfiles ten American inventors, some familiar, some unknown, who created lasers, microchips, videotape recorders, and other inventions. | ||
| 650 | _aInventors | ||
| 650 |
_aInventions _xHistory _y20th century |
||
| 942 | _c UKN | ||
| 999 |
_c62219 _d62219 |
||