TODO supply a title

        @book{Piaget1952Intelligence,
          author     = {Piaget, Jean},
          title      = {The Origins of Intelligence in Children},
          translator = {Cook, Margaret},
          publisher  = {W. W. Norton and Company},
          address    = {New York},
          year       = {1952},
          doi        = {10.1037/11494-000}
        }