| 000 | 00772nam a2200181Ia 4500 | ||
|---|---|---|---|
| 008 | 190328s9999||||xx |||||||||||||| ||und|| | ||
| 010 | _a62-7044 | ||
| 040 |
_aNITIL _cNITIL |
||
| 082 |
_221st _a338.018 _bN277R |
||
| 110 | _aNational Bureau of Economic Research (New York)and Social Science Research Council (US).Committee on Economic Growth | ||
| 245 | 4 |
_aThe Rate and direction of inventive activity _beconomic and social factors; a conference of the universities |
|
| 260 |
_aPrinceton _bPrinceton Univesrsity Press _c1962 |
||
| 300 | _ax, 635p. | ||
| 440 | _aNational bureau of economic research.Special conference seri es;13 | ||
| 500 | _aA report of the National Bureau of Economic Research, New York | ||
| 650 | _aInventions; Economic development | ||
| 942 | _cBKS | ||
| 999 |
_c16733 _d16733 |
||