Andrea Gattini, Attila Tanzi, and Filippo Fontanelli (eds.), General Principles of Law and International Investment Arbitration, Brill Nijhoff, Leiden, Boston: 2018, ISBN: 978-9-00436-837-8. (2018). Polish Yearbook of International Law, 38, 293-299. https://doi.org/10.24425/pyil.2019.129666