@article{307642,
      author = {Abell, Sandra K. and Volkmann, Mark J.},
      url = {http://library.usi.edu/record/307642},
      title = {Seamless assessment in science : a guide for elementary  and middle school teachers /},
      publisher = {Heinemann ;},
      recid = {307642},
      pages = {xii, 148 p. :},
      address = {Portsmouth, NH :},
      year = {2006},
}