| 000 | 00605nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 230327b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 | _a06.03:5/6(73NSF) | ||
| 245 |
_aOrganization and members 1971-1972 _c/National Academy of Sciences National Academy of Engineering National Research Council |
||
| 260 |
_aWashington, D.C.: _bNational Academy of Sciences National Academy of Engineering National Research Council, _c1971 |
||
| 300 | _a231p. | ||
| 650 | _aTechnical communication | ||
| 653 | _aTelecommunications | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c15090 _d15090 |
||