Can you tell me the source where you found the information? Thank you.
Small, yellow design image: Image of BAZ Škoda 743 Locusta taken at Múzeum dopravy Bratislava (I spotted the drawing hanging in the background.)
Quote regarding Volkswagen Bratislava: "Volkswagen Bratislava Plant."
Wikipedia: The Free Encyclopedia. Wikimedia Foundation, Inc. 23 September 2019. Web.
Large drawings and Alfa Romeo data sheet: Schuster, Ivan. “Storočnica Automobilky Alfa Romeo Pripomenula.”
Mot'or Nová Technika, Sept. 2010, pp. 14–15 (see below)
Additional information (last image below): Jesenský, Branislav. “Industrial Tradition and It's Role in the Process of Economic Convergence: The Case of the Czech and Slovak Republics.”
Central European University, 2014.
By the way, BAZ wasn't founded until 1971, after this project had already been abandoned. For this reason, I don't believe the concept should be identified as "BAZ-Alfa Romeo." Volkswagen Bratislava was Alfa Romeo's partner on this project.