Provedení Information seeking and subject representation: an activity-theoretical approach to information science (1997)

HJØRLAND, Birger. Information seeking and subject representation: an activity-theoretical approach to information science. Westport (Conn): Greenwood Press, 1997. 213 s. New directions in information management, no. 34, ISSN 0887-3844. ISBN 0-313-29893-9. ISBN 978-0-313-29893-6.