Paleozoic spores and pollen; Upper Carboniferous spores and pollen. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.)
Reference:
Owens,B. (1996)
Paleozoic spores and pollen; Upper Carboniferous spores and pollen. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) American Association of Stratigraphic Palynologists:Principles and Applications. Applications (J.Jansonius and D.C.McGregor,Editors)
Vol. 2 P. 597- 606