subject_ss:"Social media / Handbooks, manuals, etc."
type_ss:"m"
classification_ss:"05.38 (Neue elektronische Medien) <Kommunikationswissenschaft>"
classification_ss:"AP 14000"
year_i:[2010 TO 2020}
1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm