On the Forms of Mental Representation

The Art of Computer Programming

1968 • 16,727 citations

Mental Rotation of Three-Dimensional Objects

1971 • 5,995 citations

The abstraction of linguistic ideas

1971 • 1,288 citations

Realization of a Geometry-Theorem Proving Machine

1983 • 224 citations

Mental operations in the comparison of sentences and pictures.

1972 • 127 citations

Modeling semantic memory: Effects of presenting semantic information in different modalities

1977 • 42 citations

The symbolic nature of visual imagery

1973 • 15 citations

Program and protocol analysis on a mental imagery task

1971 • 9 citations