TY  - BOOK
AU  - Schon, Donald A.
TI  - Invention and the evolution of ideas
PY  - 1963///
CY  - London
PB  - Tavistock publication
KW  - Concepts
KW  - Idea (Philosophy)
KW  - Semantics (Philosophy)
KW  - Inventions
N1  - Includes bibliographical references
ER  -