| 000 | 00472nam a2200121 4500 | ||
|---|---|---|---|
| 008 | 230705b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 245 |
_aInformation sciences: _bInformation processing systems and techniques _c/ Defense Documentation Center Alexander, Virginia March 1972 |
||
| 260 |
_aSpringfield: _bUS Department of Commerce, _c1972 |
||
| 300 | _a223p. | ||
| 650 | _aInformation science | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c49728 _d49728 |
||