TY - RPRT TI - Problem solving, recall, and mapping relations in isomorphic transfer and nonisomorphic transfer among preschoolers and elementary school children. AU - B Gholson AU - A R Dattel AU - D Morgan AU - L A Eymard PY - 1989 UR - https://pubmed.ncbi.nlm.nih.gov/2805895/ ID - 2805895 ER -