@article{152975,
      recid = {152975},
      author = {Silver, James F.},
      title = {Environmental awareness : a professional instructional  book for in-service teachers, grades 5-10 /},
      publisher = {Kendall/Hunt Publishing Co.,},
      address = {Dubuque, IA :},
      pages = {ix, 199 p. :},
      year = {1993},
      url = {http://library.usi.edu/record/152975},
}