i, 17 pages, 15 unnumbered pages : illustrations ; 28 cm
OCLC
ocm16856330
"A version of a talk given at the Social Science Research Council conference on 'The Study of expertise as a model for life-span cognitive development.'"
"Funds from the National Institute of Education"--Cover.
"Personnel and Training Research Programs of the Office of Naval Research"--Cover.
Distributed to depository libraries in microfiche.