“EQUUS STEHLINI AZZAROLI, 1964 (PERISSODACTYLA, EQUIDAE). A REVISION OF THE MOST ENIGMATIC HORSE FROM THE EARLY PLEISTOCENE OF EUROPE, WITH NEW INSIGHTS ON THE EVOLUTIONARY HISTORY OF EUROPEAN MEDIUM- AND SMALL-SIZED HORSES” (2022) RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA , 128(1). doi:10.54103/2039-4942/15744.