Keep the PDF to yourself . The final touch was placed in 1925. Nevertheless, nice try. You are telling me that 100 years from 1925 nobody complained until now? Fascist, Italy occupied Albania and invaded Greece never mentioned this kind of issue. Albania under communism and all maps Western and Albanian show lake Gistova in Greece.  Now suddenly out of the Blue Gistova sudden became Albanian in google map and now half and half. Nevertheless send the PDF to the Albania Foreign ministry if you like and make it an official complain. Until then facts are sacred comments are free.