@article{60584,
      author = {Rolan, Robert G.},
      url = {http://library.usi.edu/record/60584},
      title = {Laboratory and field investigations in general ecology.},
      publisher = {Macmillan},
      recid = {60584},
      pages = {253 p. ;},
      address = {New York,},
      year = {1973},
}