subject_ss:"Google / Bibliothek / Elektronische Bibliothek / Aufsatzsammlung"
subject_ss:"Library materials / Digitization"
type_ss:"s"
language_ss:"e"
year_i:[2000 TO 2010}
type_ss:"m"
1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm