The ionization structure of planetary nebulae.
By: Timothy Barker
Contributors: United States. National Aeronautics and Space Administration
Series: NASA contractor report -- NASA CR-180142
Publisher: National Aeronautics and Space Administration; National Technical Information Service, distributor
Published: 1987
Place of publication: [Washington, D.C; Springfield, Va
Language: eng
Format: Microform
Notes: Distributed to depository libraries in microfiche

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1987] 1 microfiche