| 000 | 00783nam a2200217 a 4500 | ||
|---|---|---|---|
| 003 | AR-LpUBP | ||
| 005 | 20231114185734.0 | ||
| 007 | ta | ||
| 008 | 990528s1969 xxu g 000 0 eng d | ||
| 040 |
_aAR-LpUBP _bspa _cAR-LpUBP |
||
| 080 | _a007 | ||
| 110 | 2 |
_aNational Academy of Sciences. Committee on Scientific and Te _995353 |
|
| 245 | 1 | 0 |
_aScientific and technical communicaction : _ba pressing national problem and recommendations for its solution |
| 260 |
_aWashington : _bNational Academy of Sciences, _c1969. |
||
| 300 |
_axiii, 322 p. : _btablas ; _c23 cm. |
||
| 490 | 0 |
_aNational academy of sciencies ; _v1707 |
|
| 500 | _aBibliografĂa, p.285-306 ApĂ©ndices, p.307-317 | ||
| 650 | 4 |
_aINFORMACION, TEORIA DE LA _93921 |
|
| 942 | _cBK | ||
| 999 |
_c133108 _d133108 |
||
| 988 | _c | ||