@book { DieAbstraktaaufnietiekaokoststvostvieieeindenPismaiBumagiPetersdesGroen,
    title = "Die Abstrakta auf -nie/-tie, -ka/-ok, -ost', -stvo/-stvie, -ie/-'e in den Pis'ma i Bumagi Peters des Großen",
    author = "Rainer {Berg}",
    year = "1978",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12433",
    url = "https://www.peterlang.com/document/1066909"
}