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