Title: Hypovrychion Y1 : V. P. Katsōnēs /
Authors: Tsoukalas, Ēlias P.
Publisher: Ikaros,
Year: 1951
Subjects: Laskos, Vasilēs,; Katsōnēs (Submarine); World War, 1939-1945 Greece Naval operations Personal narratives.; Greece History, Naval Sources.