2006

Hotho, A.; Jäschke, R.; Schmitz, C. & Stumme, G. (2006), Das Entstehen von Semantik in BibSonomy, in 'Social Software in der Wertschöpfung' , Nomos, Baden-Baden .

1990

Spence, D. P. & Owens, K. C. (1990), 'Lexical co-occurrence and association strength', Journal of Psycholinguistic Research 19 , 317-330 .