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7300612
Embargoed Access, Embargo ends: 01/01/2068
- Title: Subtitle
- Studies of paleozoic ferns: zygopteris from the middle and upper Pennsylvanian of the United States
- Creators
- Robert Lee Dennis - University of Iowa
- Resource Type
- Dissertation
- Degree Awarded
- Doctor of Philosophy (PhD), University of Iowa
- Degree in
- Botany
- Publisher
- University of Iowa
- Number of pages
- vi, 145 leaves
- Copyright
- Copyright 1972 Robert Lee Dennis
- Comment
This PDF was created as part of a mass digitization project. If you encounter image quality issues affecting usability, please contact lib-digitization@uiowa.edu.
- Language
- English
- Date copyrighted
- 1972
- Academic Unit
- Thesis and Dissertation Archive
- Record Identifier
- 9985152600002771