General Interest Article
Proceedings of the Iowa Academy of Science
© Copyright 1952 by the Iowa Academy of Science, Inc.
"Proceedings of the Sixty-Fourth Meeting of the Iowa Academy of Science Held at Coe College, Cedar Rapids, Iowa, April 18 and 19, 1952: Minutes of the 1952 Meeting,"
Proceedings of the Iowa Academy of Science: Vol. 59:
, Article 3.
Available at: https://scholarworks.uni.edu/pias/vol59/iss1/3