International Journal of Coal Geology · 1991 · 15 citations · 16 references
Natural SciencesEarth SciencesGeologyEnvironmental GeologyQuaternary GeologyStratigraphyHolocene GeologySiliciclastic SedimentologySilicified Plant FossilsCoal Forest VegetationCoal Measure VegetationConifer FlorasSilicified Wood Anatomy
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Stach's Textbook of Coal Petrology
P A Hacquebard · Geoscience Canada · 1976 · 1.3K citations
Richard F. Leo, Elso S. Barghoorn · Botanical Museum leaflets Harvard University · 1976 · 160 citations · Full text