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Pierson J. Van Alten
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Journal Articles
The American Biology Teacher (1968) 30 (10): 858.
Published: 01 December 1968
Journal Articles
The American Biology Teacher (1968) 30 (2): 138.
Published: 01 February 1968
Journal Articles
The American Biology Teacher (1968) 30 (1): 61.
Published: 01 January 1968
Journal Articles
The American Biology Teacher (1968) 30 (1): 63–64.
Published: 01 January 1968
Journal Articles
The American Biology Teacher (1968) 30 (1): 68.
Published: 01 January 1968
Journal Articles
The American Biology Teacher (1967) 29 (3): 233.
Published: 01 March 1967
Journal Articles
The American Biology Teacher (1966) 28 (8): 657–658.
Published: 01 October 1966