Symbolic Number Abilities Predict Later Approximate Number System Acuity in Preschool Children Mussolin, Christophe ; Nys, Julie ; Content, Alain ; Leybaert, Jacqueline Abstract Publication: PLoS ONE Pub Date: March 2014 DOI: 10.1371/journal.pone.0091839 Bibcode: 2014PLoSO...991839M