000
00291nam a22000977a 4500
008
230919b |||||||| |||| 00| 0 eng d
040
_a
National Science Library
_c
National Science Library
245
_a
Dissertation abstracts
260
_a
Michigan:
_b
University Microfilms, Inc.,
942
_c
CR
999
_c
62489
_d
62489