@misc{exploration+and+restoration+of+parts+of+poltava+s+town+fortifications+during+the+northern+war+and+elements+of+field+fortifications+used+in+the+battle+of+poltava+in+1709,
    author = {Trehubov, Kostiantyn i Dmytrenko, Andrii i Kuzmenko, Tetiana i Vildman,  Igor},
    title = {Exploration and restoration of parts of Poltava’s town fortifications during the Northern War and elements of field fortifications used in the Battle of Poltava in 1709},
    journal = {Wiadomości Konserwatorskie},
    address = {Warszawa},
    publisher = {Stowarzyszenie Konserwatorów Zabytków},
    date = {2020},
    number = {nr 61},
    ISSN = {0860-2395}
}