classification_ss:"621.36/7 / dc20"
classification_ss:"TVV (DU)"
classification_ss:"TYX (DU)"
language_ss:"e"
subject_ss:"Fraktal (BVB)"
year_i:[1990 TO 2000}
1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm