«THE PROBLEM OF SMALL FOOTPRINTS IN PALEOICHNOLOGY: REMARKS ON THE EARLY PERMIAN ICHNOTAXON ERPETOPUS CASSINISI, A LOCAL SPECIES FROM SOUTHERN ALPS (NORTHERN ITALY)», RIPS, vol. 120, fasc. 2, lug. 2014, doi: 10.13130/2039-4942/6055.