@book { StudienzuAPechovsDramaDieMwe,
    title = "Studien zu A. P. Čechovs Drama Die Möwe",
    author = "Franz-Josef {Leithold}",
    year = "1989",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12132",
    url = "https://www.peterlang.com/document/1066706"
}