| 000 | 00566nam a22001577a 4500 | ||
|---|---|---|---|
| 008 | 230403b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aD 778.142(047) _bM0 |
||
| 245 |
_aMicroforms: citations from the NTIS data base: _bSearch period covered, 1973-May 1980 _c/ National Technical Information Service |
||
| 260 |
_aSpringfield: _bNational Technical Information Service, _c1980 |
||
| 300 | _av, 191p. | ||
| 490 |
_aPB80 _v811151 |
||
| 650 | _aMicroforms | ||
| 653 | _aCitations | ||
| 942 |
_2udc _cREP |
||
| 999 |
_c17749 _d17749 |
||