Heuristic and Systematic Use of Search Engines.Published in:Journal of Computer-Mediated Communication, 2007, v. 12, n. 3, p. 778, doi. 10.1111/j.1083-6101.2007.00350.xBy:Wirth, Werner;Böcking, Tabea;Karnowski, Veronika;Von Pape, ThiloPublication type:Article