| 1. 
  |  | Title: Stretching the Imagination: Representation and Transformation in Mental Imagery (Counterpoints) by Cesare Cornoldi, Robert H. Logie, Maria A. Brandimonte, Geir Kaufmann, Daniel Reisberg
 ISBN: 0195099478
 Publisher: Oxford University Press
 Pub. Date: 01 March, 1996
 List Price: $50.00
 Amazon.com Price: $50.00
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| 2. 
  |  | Title: Imagery, language, and cognition: Toward a theory of symbolic activity in human problem-solving by Geir Kaufmann
 ISBN: 8200019616
 Publisher: distribution office, Columbia University Press
 Pub. Date: 1980
 
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| 3. 
  |  | Title: Visual Imagery and Its Relation to Problem Solving: A Theoretical and Experimental Inquiry by Geir Kaufmann
 ISBN: 8200017885
 Publisher: Scandinavian Univ Pr
 Pub. Date: 01 January, 1980
 List Price: $13.00
 Amazon.com Price: $13.00
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| 4. 
  |  | Title: Probleml²sning og kreativitet: Organisasjonspsykologiske perspektiver (Cappelens almab²ker) by Geir Kaufmann
 ISBN: 8202046130
 Publisher: Cappelen
 Pub. Date: 1980
 
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| 5. 
  |  | Title: Innovation: A Cross-Disciplinary Perspective (Norwegian University Press Publication S) by Kjell Gronhaug, Geir Kaufmann
 ISBN: 8200027597
 Publisher: Norwegian University Press
 Pub. Date: 01 January, 1991
 List Price: $19.95
 Amazon.com Price: $19.95
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| 6. 
  |  | Title: Innovation: Cross-Disciplinary Perspective by Kjell Gronhaug, Geir Kaufmann
 ISBN: 8200074463
 Publisher: Oxford University Press
 Pub. Date: February, 1991
 List Price: $39.95
 Amazon.com Price: $39.95
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