P E Johnson

Some psychological aspects of subject-matter structure.

P. E. Johnson, P E Johnson, 1967, Journal of educational psychology.

When less is more: representation and selective memory in expert problem solving.

P W Fox, P. Bullemer, P. E. Johnson, 1993, The American journal of psychology.

The medical problem solving process.

D P Connelly, D. Connelly, P. E. Johnson, 1980, Human pathology.