Per public information, Mr. Shraga Tzevi Levi lives at 2 Torat Chesed Street, Jerusalem.
His land line phone number is +972 2 622-9783
This is a link to a summary of the book you mentioned: https://www.nli.org.il/he/books/NNL_ALEPH000934393/NLI
In essence, a tribunal headed by Rabbi Shraga Zvi Tenenbaum disqualified Rabbi Moshe Feldman from serving as rabbi in Galanta.
The book presents the reasons for the ruling and the correspondence between the rabbis of Hungary in this case.
Good luck with your search.
Eli Rohn, PhD