The book of abstracts is downloadable below
The book of abstacts can be download also here:
http://www.lulu.com/shop/massimiliano-carrara-and-daniele-chiffi-and-ciro-de-florio/assertion-and-proof/ebook/product-24305407.html
M. Carrara, D. Chiffi, C. De Florio (Eds). 2019. Assertion and Proof. Lulu Press, Inc.: Hillsborough St., Raleigh, NC 27607. Isbn: 9781794721104