Ellipsocephalid trilobites from Cambrian Series 2 and Stage 4, with emphasis on the taxonomy, morphological plasticity and biostratigraphic significance of ellipsocephalids from Scania, SwedenCarin H. Nilsson, Gerd Geyer og 3 andrePocketEngelskDel 67 av serien Fossils and strataLegg i handlekurvKlikk&HentNettlager