Published in Bulletin of The Southern California Academy of Sciences, in 1950, in volume 49, pages 3-9

Created: 2012-01-17, modified: 2012-01-17

Published in Bulletin of The Southern California Academy of Sciences, in 1950, in volume 49, pages 12-14

Created: 2012-01-17, modified: 2012-01-17

Published in Bulletin of The Southern California Academy of Sciences, in 1950, in volume 49, pages 29-35

Created: 2012-01-17, modified: 2012-01-17

Published in Bulletin of The Southern California Academy of Sciences, in 1950, in volume 49, pages 55-70

Created: 2012-01-17, modified: 2012-01-17

Published in Bulletin of The Southern California Academy of Sciences, in 1950, in volume 49, pages 79-89

Created: 2012-01-17, modified: 2012-01-17

Published in Bulletin of The Southern California Academy of Sciences, in 1950, in volume 49, pages 101-104

Created: 2012-01-17, modified: 2012-01-17