@article{152903,
      recid = {152903},
      author = {Anderson, Lorin W. and Walberg, Herbert J.,},
      title = {Timepiece, extending and enhancing learning time /},
      publisher = {National Association of Secondary School Principals,},
      address = {Reston, Va. :},
      pages = {viii, 45 p. :},
      year = {1993},
      url = {http://library.usi.edu/record/152903},
}