Published in Proceedings of the California Academy of Sciences, in 1996, in volume 49, pages 127-149

Published in Proceedings of the California Academy of Sciences, in 1996, in volume 49, pages 171-210

Published in Proceedings of the California Academy of Sciences, in 1996, in volume 49, issue 3, pages 115-126

Published in Proceedings of the California Academy of Sciences, in 1996, in volume 49, issue 5, pages 151-160

Published in Proceedings of the California Academy of Sciences, in 1996, in volume 49, issue 6, pages 161-170