| | Showing all published items in the file for Reference Phrase: "Possibility Psychological aspects."| 0816613702 | | Possibility and necessity / Jean Piaget ; with E. Ackermann-Valladao ... [et al.] ; translated from the French by Helga Feider.
| | 0816613729 | | Possibility and necessity / by Jean Piaget ; with E. Ackermann-Valladao ... [et al.] ; translated from the French by Helga Feider.
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