TY - BOOK ED - Real Academia Española. TI - Cognitive development and epistemology SN - 0124986404 AV - BF723.C5 C57 U1 - 155.41/3 PY - 1971/// CY - New York PB - Academic Press KW - Blood Transfusion KW - Statistcis KW - Local N1 - "The papers ... were written for a conference ... held at the State University of New York at Binghamton, September 18-22, 1969 ... The conference ... was supported jointly by grant GS-2557 from the National Science Foundation and by the State University of New York at Binghamton."; Includes b College Press ER -