| 000 | 00588 a2200253 4500 | ||
|---|---|---|---|
| 001 | 148585 | ||
| 020 | _a0-8444-0078-51 | ||
| 041 | _aeng | ||
| 080 | _a025.47 Uni | ||
| 245 | _aLibrary of Congress classification : class T : technology | ||
| 250 | _a5th ed | ||
| 260 | _aWashington | ||
| 260 | _bLibrary of Congress, | ||
| 260 | _c1971 | ||
| 300 | _a370 p. | ||
| 300 | _c26 cm | ||
| 490 | _a | ||
| 100 | _aUnited States. Library of Congress. Subject Cataloging Division | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aClassification-Books-Technology | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c117249 _d117250 |
||