Published in Nautilus, in 1982, in volume 96, pages 3-6

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

Published in Nautilus, in 1982, in volume 96, pages 40-42

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

Published in Nautilus, in 1982, in volume 96, pages 42-45

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

Published in Nautilus, in 1982, in volume 96, pages 45-48

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

Published in Nautilus, in 1982, in volume 96, pages 61-66

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

Published in Nautilus, in 1982, in volume 96, pages 99-104

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

Published in Nautilus, in 1982, in volume 96, pages 115-116

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

Published in Nautilus, in 1982, in volume 96, pages 116-120

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