Description |
p. 139-161. |
Notes |
Offprint from: The Astrophysical journal, Jan. 1, 1972. |
Thesis |
Thesis (Ph. D.)--University of Chicago, 1971. |
Reproduction |
Microfilm. Chicago, Ill : University of Chicago, Joseph Regenstein Library, Dept. of Photoduplication, 1971. 1 microfilm reel ; 35 mm. |
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