classification_ss:"01.20 / Allgemeine Nachschlagewerke: Allgemeines"
classification_ss:"025.52"
language_ss:"e"
subject_ss:"Bibliothek / Auskunftsdienst (SWB)"
type_ss:"m"
1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm