@article{1682,
      recid = {1682},
      author = {Bickford, Elwood D.},
      title = {Lighting for plant growth},
      publisher = {Kent State University Press},
      address = {Kent, Ohio]},
      pages = {ix, 221 p.},
      year = {1972},
      url = {http://library.usi.edu/record/1682},
}