Logical abilities in children - Osherson, Daniel N. (Maryland L. Erlbaum Associates; distributed by the Halsted Press Division of Wiley, New York, 1974)
v. 1. Organization of length and class concepts: empirical consequences of a Piagetian formalism.--v. 2. Logical inference: underlying operations.--v. 3. Reasoning in adolescence: deductive inference.--v. 4. Reasoning and concepts.
Vols. 3-4 published in: Hillsdale, N.J.
Keywords: Child development; Learning ability; Cognition in children; Child psychology; Thinking -- In infancy and childhood