Luise Vitetta — Teoria Dei Segnali.pdf

Some professors provide scanned chapters (e.g., Chapter 1 on signals) on their university portals under fair use for teaching. That is legal. A full-book PDF circulating on file-sharing sites is not.

If you have more details about the publication (like the publisher, year, or ISBN), that could help narrow down the search. Luise Vitetta Teoria Dei Segnali.pdf