McBee, E. T.; Roberts, C. W.; Judd, G. F.; Chao, T. S. Proceedings of the Indiana Academy of Science, 1955 , vol. 65, p. 94 - 99 C. A., 1958 , p. 10870 Full Text Show Details Gmelin Handbook: F: PerFHalOrg.4, 1.3.3.7, page 17 - 32