Published in University of Kansas Science Bulletin, in 1989, in volume 53, pages 577-621

Published in University of Kansas Science Bulletin, in 1989, in volume 53, issue 11, pages 623-703

Published in University of Kansas Science Bulletin, in 1989, in volume 54, pages 1-23

Published in University of Kansas Science Bulletin, in 1989, in volume 54, pages 25-34