@book { 33eSymposiumInternationalFESFStrasbourg,
    title = "33 e  Symposium International FESF Strasbourg",
    author = "Edmundas Kazimieras {Zavadskas}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1098848"
}