| 000 | 00456nam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 230717b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 245 |
_aMicrofiche, microfilm and related equipment: _bA DDC bibliography _c/ Defense Documentation Center Alxendria, Virginia April 1968 - April 1971 |
||
| 260 |
_aWashington: _bNational Technical Information Service, _c1971 |
||
| 300 | _a47p. | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c52744 _d52744 |
||