author = { Piaget, Jean AND Ascher, Edgar AND Henriques, Gil Piaget, Jean AND Piaget, Jean },

title = { Morphisms and categories comparing and transforming },

publisher = {Erlbaum},

isbn = {0805803009},

keywords = { Genetic epistemology , Comparison (Psychology) in children , Categorization (Psychology) in children , Morphisms (Mathematics) Psychological aspects , Categories (Mathematics) Psychological aspects , Begriffsbildung , Kognitive Entwicklung , Psychologische Forschung , Psychologische Theorie },

year = {1992},

abstract = {Includes bibliographical references and index},

address = { Hillsdale, N.J [u.a.] },

url = { http://slubdd.de/katalog?TN_libero_mab2 }