by Lottes, Ann L., Ziegler, Alfred M.
Published in Palaeogeography, palaeoclimatology, palaeoecology (1994)

by Rowley, David B., Raymond, Anne, Parrish, Judith Totman, Lottes, Ann L., Scotese, Christopher R., Ziegler, Alfred M.
Published in International journal of coal geology (01.06.1985)