“THE PROBLEM OF SMALL FOOTPRINTS IN PALEOICHNOLOGY: REMARKS ON THE EARLY PERMIAN ICHNOTAXON ERPETOPUS CASSINISI, A LOCAL SPECIES FROM SOUTHERN ALPS (NORTHERN ITALY)” (2014) RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA , 120(2). doi:10.13130/2039-4942/6055.