@article{276849,
      recid = {276849},
      author = {Worth, Karen. and Grollman, Sharon Hya.},
      title = {Worms, shadows, and whirlpools : science in the early  childhood classroom /},
      publisher = {Heinemann ;},
      address = {Portsmouth, NH :},
      pages = {xvii, 168 p. :},
      year = {2003},
      url = {http://library.usi.edu/record/276849},
}