General Interest Article
Proceedings of the Iowa Academy of Science
© Copyright 1961 by the Iowa Academy of Science, Inc.
"Proceedings of the Seventy-Third Meeting of the Iowa Academy of Science held at Simpson College, Indianola, April 14 and 15, 1961: Minutes of the 1961 Meeting,"
Proceedings of the Iowa Academy of Science: Vol. 68:
, Article 4.
Available at: https://scholarworks.uni.edu/pias/vol68/iss1/4