@book { IntegrativeapproachestowardssustainabilityintheBalticSeaRegion,
    title = "Integrative approaches towards sustainability in the Baltic Sea Region",
    author = "Walter {Leal Filho} and Arnolds {Ubelis}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1144011"
}