classification_ss:"004.6/7 / dc20"
classification_ss:"54.32 / Rechnerkommunikation"
classification_ss:"TK5105.875.I57E33 1994"
language_ss:"e"
type_ss:"m"
year_i:[1990 TO 2000}
1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm