classification_ss:"Mat J 91 / Fraktal"
classification_ss:"31.59 / Geometrie: Sonstiges"
author_ss:"Barnsley, M.F."
classification_ss:"THL (PB)"
year_i:[1990 TO 2000}
1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm