Widening horizons in creativity proceedings of the Fifth Utah Creativity Conference
| Údair chorparáideacha: | , |
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| Rannpháirtithe: | |
| Formáid: | LEABHAR |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
New York
Wiley
[c1964].
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| Ábhair: |