%0 Thesis %9 Doctoral %A Morrow, W E %D 1982 %F discovery:10019466 %I Institute of Education, University of London %P 0 %T A critical study of the Bergsonian roots of Piaget's theory of the development of human understanding %U https://discovery.ucl.ac.uk/id/eprint/10019466/ %Z Thesis: PHD University of London Institute of Education, 1982.