000 | 00317nam a22000977a 4500 | ||
---|---|---|---|
008 | 231030b |||||||| |||| 00| 0 eng d | ||
040 |
_aNational Science Library _cNational Science Library |
||
245 |
_aDissertations abstracts: _bThe science and engineering |
||
260 |
_aMichigan: _bUniversity Microfilms, |
||
942 | _cCR | ||
999 |
_c62851 _d62851 |