Mader, Detlef, Taphonomy, Sedimentology, and Genesis of Plant Fossil Deposit Types in Lettenkohle (Lower Keuper) and Schilfsandstein (Middle Keuper) in Lower Franconia (Germany) : - Peter Lang Publishing, 1995. - 192 pages ISBN: 3631483716 Subjects--Topical Terms: Science. Dewey Class. No.: 561.194 / MAD