Published in Nautilus, in 1999, in volume 113, pages 1-3

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

Published in Nautilus, in 1999, in volume 113, pages 4-42

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

Published in Nautilus, in 1999, in volume 113, pages 73-77

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

Published in Nautilus, in 1999, in volume 113, pages 78-101

Created: 2012-03-12, modified: 2012-03-27

Published in Nautilus, in 1999, in volume 113, pages 103-120

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

Published in Nautilus, in 1999, in volume 113, pages 121-126

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

Published in The Nautilus, in 1999, in volume 113, issue 4, pages 127-150

Created: 2017-11-06, modified: 2017-11-06