Published in University of Kansas Science Bulletin, in 1970, in volume 48, pages 861-868

Published in Kansas Univ. Sci. Bull., in 1970, in volume 48, issue 22, pages 845-848

Published in Kansas Univ. Sci. Bull., in 1970, in volume 48, issue 23, pages 849-854

Published in University of Kansas Science Bulletin, in 1970, in volume 48, issue 24, pages 855-860

Published in University of Kansas. Science Bulletin, in 1970, in volume 49, pages 1-44

Published in Univ. Kansas Sci. Bull., in 1970, in volume 49, pages 87-179

Published in Universtiy of Kansas Science Bulletin, in 1970, in volume 49, issue 2, pages 45-86

Published in University of Kansas Science Bulletin, in 1970, in volume 49, issue 5, pages 337-344