NASA NTRS · 19700068146
The international planetary patrol program
Abstract
International photographic planetary patrol network, discussing filmstrips of Mars and Jupiter using blue, green and red filters
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Baum, W. A., Jones, S. E., Martin, L. J., Millis, R. L.. 1970-05-01. The international planetary patrol program. https://ntrs.nasa.gov/citations/19700068146
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