Proceedings of the Iowa Academy of Science
© Copyright 1958 by the Iowa Academy of Science, Inc.
Swanson, C. O. and Lauer, A. R.
"Relative Changes in Percentages of Iowa Driver Licensees and Traffic Involvement By Age Groups Between 1953 and 1958,"
Proceedings of the Iowa Academy of Science: Vol. 65:
, Article 65.
Available at: https://scholarworks.uni.edu/pias/vol65/iss1/65