Note on estimation of frequency and number.
By: [By] Stanislav Dornic, Birgitta Berglund and Ulf Berglund.
Contributors: Berglund, Birgitta, joint author.; Burglund, Ulf, joint author.
Series: Reports from the Psychological Laboratories, the University of Stockholm ;; no. 255
Published: 1968
Place of publication: Stockholm
Language: eng
Subjects: Visual perception.
Notes: Bibliography: p. 6.
Cover title.