Differential (in english and in italian) + power point Morreale-Rofi

https://docs.google.com/presentation/d/18lprWABiVgUQ0_r3LvInjMHVIhR-YonJO8qzugdTBrA/edit?usp=drivesdk 

https://1drv.ms/b/c/87d6edf241681ddf/EZkIriz-bzZInaUJEUDy2oMBtl_YdZT0sEvgSh8i-Qoydg?e=HfxjKi

Morreale - Rofi - Differenziale S18.pdf