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February 01 1991
Letters to the Editor
The American Biology Teacher (1991) 53 (2): 69–70.
Citation
Laddie J. Bicak, Werner G. Heim, Philip A. Cochran, David R. Hershey, Ralph W. Lewis, David J. Hicks; Letters to the Editor. The American Biology Teacher 1 February 1991; 53 (2): 69–70. doi: https://doi.org/10.2307/4449224
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