@article{107777,
      recid = {107777},
      title = {Biological clocks /. Cold Spring Harbor Symposia on  Quantitive Biology},
      address = {Cold Spring Harbor, N.Y. : The Biological Laboratory,},
      pages = {xiii, 524 p. :},
      year = {1961},
      url = {http://library.usi.edu/record/107777},
}