Published in Nautilus, in 1994, in volume 107, pages 81-93

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

Published in Nautilus, in 1994, in volume 107, pages 94-96

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

Published in Nautilus, in 1994, in volume 107, pages 104-106

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

Published in Nautilus, in 1994, in volume 107, issue 3, pages 97-103

Created: 2012-05-12, modified: 2012-05-12

Published in Nautilus, in 1994, in volume 108, issue 1, pages 1-8

Created: 2012-03-12, modified: 2014-06-05