Authors: Alan E Leviton | Benjamin H Banta

Published in Occasional Papers of the California Academy of Sciences, in 1961, in volume 26, pages 1-4

Created: 2011-06-02, modified: 2011-06-21

Authors: W B Cooke | L Bonar

Published in Occasional Papers of the California Academy of Sciences, in 1961, in volume 29, pages 1-5

Created: 2017-10-18, modified: 2017-10-18

Authors: E L Kessel

Published in Occas. Pap. Calif. Acad. Sci, in 1961, in volume 30, pages 1-10

Created: 2011-06-04, modified: 2017-01-06