P. Ingwersen and K. &jarvelin, The Turn Integration of Information Seeking and Retrieval in Context, 2005.

D. Kelly and C. Cool, The effects of topic familiarity on informationsearch behavior

P. Ingwersen, Information Retrieval Interaction. Lomdon: Taylor Graham, 1992.

D. Kelly and C. Cool, The effects of topic familiarity on informationsearch behavior