“TEM INVESTIGATION OF THE SHELL OF THE BRACHIOPOD THECOSPIRA TYROLENSIS (LORETZ): A CLUE TO UNDERSTANDING GROWTH AND REPLACEMENT OF PRISMATIC AND/OR FIBROUS LOW MG-CALCITE?” (1990) RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA , 96(1). doi:10.13130/2039-4942/9048.