@article{473726,
      note = {Papers presented at a conference held at the University of  Minnesota, Dec. 8-10, 1955, to recognize the Institute of  Child Welfare's productive work of three decades.},
      author = {Harris, Dale B.},
      url = {http://library.usi.edu/record/473726},
      title = {The concept of development an issue in the study of human  behavior / [electronic resource] :},
      publisher = {University of Minnesota Press,},
      recid = {473726},
      pages = {x, 287 p. :},
      address = {Minneapolis :},
      year = {1957},
}