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| Geotimes | 3 |
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| Hickey, Leo J. | 3 |
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| Journal Articles | 1 |
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Hickey, Leo J. – Geotimes, 1979
A brief summary of the year's activity. (BB)
Descriptors: Biological Sciences, Botany, Earth Science, Evolution
Tiffney, Bruce H.; Hickey, Leo J. – Geotimes, 1983
Highlights major activities, conferences, conference and published papers, monographs, and research studies in paleobotany during 1982. Indicates that paleobotanists made more frequent use of the perspectives and ideas of disciplines as developmental biology and sedimentology in their research endeavors. (Author/JN)
Descriptors: Biology, Botany, College Science, Conferences
Hickey, Leo J. – Geotimes, 1978
Early land plants and their ancestry remained an important, controversial issue in paleobotany this past year. Current research and theories on the subject are reviewed. (MA)
Descriptors: Biological Influences, Botany, Earth Science, Ecological Factors
