TY  - BOOK
AU  - Karsavvidis, Ilias
TI  - Learning to solve correlational problems: a study of the social and material sistribution of cognition
SN  - 9036512611
AV  - DUCE BF723.C5K765 
PY  - 1970///
CY  - Enschede
PB  - Twenty University
N1  - includes appendix and bibliographical references
ER  -