Published in Nautilus, in 1965, in volume 78, pages 73-79

Created: 2012-03-12, modified: 2012-03-12

Published in Nautilus, in 1965, in volume 78, pages 79-80

Created: 2012-03-12, modified: 2012-03-12

Published in Nautilus, in 1965, in volume 79, pages 4-7

Created: 2012-03-12, modified: 2023-12-07

Published in Nautilus, in 1965, in volume 79, pages 23-26

Created: 2012-03-12, modified: 2023-12-07

Published in Nautilus, in 1965, in volume 79, pages 30-33

Created: 2012-03-12, modified: 2023-12-07

Published in Nautilus, in 1965, in volume 79, pages 33-34

Created: 2012-03-12, modified: 2023-12-07

Published in Nautilus, in 1965, in volume 79, pages 41-42

Created: 2012-03-12, modified: 2023-12-07