| 000 | 00456nam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 230627b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aD 025.343:62](026) _bL7 |
||
| 245 |
_aSubject headings guide to engineering categories _c/ United Engineering Center |
||
| 260 |
_aNew York: _bEngineering Index, Inc., _c1977 |
||
| 650 | _aEngineering | ||
| 653 | _aSubject headings | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c47478 _d47478 |
||