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|Material Type:||Government publication, National government publication|
|All Authors / Contributors:||
James G Greeno; University of Pittsburgh. Learning Research and Development Center.; National Institute of Education (U.S.); United States. Office of Naval Research.
|Notes:||"Spons agency National Inst. of Education"--Doc. resume.
"Included in contract NR 667-430, Office of Naval Research."
Distributed to depository libraries in microfiche.
|Description:||35 pages,  : illustrations ; 28 cm.|
|Series Title:||Learning Resource and Development Center (Series), 1985/27.|
|Responsibility:||James G. Greeno [and others].|