TY - BOOK AU - Buswell,Guy T. AU - Hartung,Maurice Leslie ED - Conference on Arithmetic ED - Conference on Arithmetic ED - Conference on Arithmetic TI - Arithmetic, 1949: papers presented at the fourth annual Conference on Arithmetic held at the University of Chicago July 6-8, 1949 T2 - Supplementary educational monographs U1 - 372.7 PY - 1949/// CY - Chicago PB - University of Chicago Press KW - Arithmetic KW - Study and teaching KW - Local KW - Congresses N1 - Includes bibliographical references ER -