Published in University of Kansas Science Bulletin, in 1942, in volume 28, pages 25-35

Published in University of Kansas Science Bulletin, in 1942, in volume 28, pages 37-55

Published in University of Kansas Science Bulletin, in 1942, in volume 28, pages 57-65

Published in University of Kansas Science Bulletin, in 1942, in volume 28, pages 67-89

Published in University of Kansas Science Bulletin, in 1942, in volume 28, pages 91-112

Published in University of Kansas Science Bulletin, in 1942, in volume 28, pages 199-235

Published in University of Kansas Science Bulletin, in 1942, in volume 28, pages 237-240

Published in Kansas University Science Bulletin, in 1942, in volume 28, pages 253-293

Published in University of Kansas Science Bulletin, in 1942, in volume 28, pages 295-323

Published in University of Kansas Science Bulletin, in 1942, in volume 28, pages 325-303

Published in Kansas University Science Bulletin, in 1942, in volume 28, issue 7, pages 113-143