Possibility and Necessity; Volume 1 The Role of Possibility in Cognitive Development; Volume 2 The Role of Necessity in Cognitive Development
Minneapolis: University of Minnesota Press [1987], 1987. First edition. Hardcover. 2 vol. 8vo. [8], 3-159, [3] pp. Navy cloth with silver lettering and a silver rule on the front board, silver lettering on the spine. Purple cloth with silver lettering and a silver rule on the front board, silver lettering..... More
