The helios planetarium
By: Originated and designed by Clair O. Musser.
Contributors: Musser, Clair O.
Publisher: Byron Jardine
Published: 1971
Place of publication: New Basford, Eng
Language: eng
Format: Realia
Subjects: Astronomy -- Study and teaching -- Audio-visual aids.
Notes: Handbook: The Helios planetarium. 2nd ed., 1973.