Published in Nautilus, in 1995, in volume 108, pages 27-33

Published in Nautilus, in 1995, in volume 108, pages 34-36

Published in Nautilus, in 1995, in volume 108, pages 39-41

Published in Nautilus, in 1995, in volume 108, pages 80-82

Published in Nautilus, in 1995, in volume 108, pages 83-127

Published in Nautilus, in 1995, in volume 109, pages 1-13

Published in Nautilus, in 1995, in volume 109, pages 14-37

Published in Nautilus, in 1995, in volume 109, pages 43-110

Published in Nautilus, in 1995, in volume 109, pages 113-116

Published in Nautilus, in 1995, in volume 109, pages 117-119

Published in Nautilus, in 1995, in volume 109, pages 127-138