@article{53696,
      url = {http://library.usi.edu/record/53696},
      title = {Eutrophication: causes, consequences, correctives;  proceedings of a symposium.. International Symposium on  Eutrophication},
      publisher = {National Academy of Sciences,},
      recid = {53696},
      pages = {vii, 661 p.},
      address = {Washington,},
      year = {1969},
}