author = { WALLACH, LISE AND WALL, A. JACK AND ANDERSON, LORNA },

title = { NUMBER CONSERVATION: THE ROLES OF REVERSIBILITY, ADDITION-SUBTRACTION, AND MISLEADING PERCEPTUAL CUES },

publisher = {Wiley},

isbn = {0009-3920},

isbn = {1467-8624},

keywords = { Developmental and Educational Psychology , Education , Pediatrics, Perinatology and Child Health },

year = {1967},

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