Planetary nebular carbon-to-oxygen ratios, morphology and evolution [microform] : final technical report for NASA grant no. NSG 5358 : period covered by report, May 9, 1979 - July 14, 1987 / principal investigator, Lawrence H. Aller.
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Other title: | Planetary nebular carbon to oxygen ratios, morphology and evolution. |
Format: | Government Document Microfilm Book |
Language: | English |
Published: |
[Washington, DC] : [Springfield, Va.] :
[National Aeronautics and Space Administration] ; [National Technical Information Service, distributor],
[1987]
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Series: | NASA contractor report ;
NASA CR-181365. |
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Item Description: | Distributed to depository libraries in microfiche. |
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Physical Description: | 1 volume. |
Reproduction Note: | Microfiche. |