Paper

Gruber, Hans; Ziegler, Albert (November 1995): Components of expertise: Looking for SEEK in sorting. (Research report No. 59). LMU Munich: Chair of Education and Educational Psychology, Internet, ISSN 1614-6336

Gruber, Hans; Weber, Angelika; Ziegler, Albert (August 1994): Methodische Probleme der Datengewinnung bei der Untersuchung des Expertiseerwerbs. (Research report No. 40). LMU Munich: Chair of Education and Educational Psychology, Internet, ISSN 1614-6336