| 000 | 00436nam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 230224b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aD 016:[002+02 _bL8.2 |
||
| 245 | _aUser needs in documentation and information | ||
| 260 |
_aUnited States: _bNational Technical Information Service, _c1981 |
||
| 300 | _av, 163p. | ||
| 490 | _aReport 1977-May 1981 | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c3719 _d3719 |
||