@article{171706,
      author = {Kellough, Richard D.},
      url = {http://library.usi.edu/record/171706},
      title = {Integrating mathematics and science for kindergarten and  primary children /},
      publisher = {Merrill,},
      recid = {171706},
      pages = {xxi, 594 p. :},
      address = {Englewood Cliffs, N.J. :},
      year = {1996},
}