Stratigraphic and paleoecologic significance of plant microfossils in Permian evaporites of Kansas. (In: Palynology in Oil Exploration, Aureal T. Cross, editor)
Reference:
Shaffer,B.L. (1964)
Stratigraphic and paleoecologic significance of plant microfossils in Permian evaporites of Kansas. (In: Palynology in Oil Exploration, Aureal T. Cross, editor) Society of Economic Paleontologists and Mineralogists (SEPM) Special Publication. (Palynology in Oil Exploration. Aureal T. Cross,editor)
# 11 P. 97- 115