@article{405251,
      author = {Singh, Y. K.},
      url = {http://library.usi.edu/record/405251},
      title = {Environmental science [electronic resource] /},
      publisher = {New Age International (P) Ltd., Publishers,},
      recid = {405251},
      pages = {vi, 310 p. :},
      address = {New Delhi :},
      year = {2006},
}