Biology Quote by Ulrich Müller
““Chapman, M. (1988). Constructive evolution: Origins and development of Piaget's thought. Cambridge: Cambridge University Press. Chapman, M. (1992). Equilibration and the dialectics of organization. In H. Beilin & P. B. Pufall (Eds.), Piaget's theory: Prospects and possibilities (pp. 39–59). Hillsdale, NJ: Erlbaum.””