@article{502546,
      note = {Anonymous. By Colin MacLaurin.},
      author = {MacLaurin, Colin,},
      url = {http://library.usi.edu/record/502546},
      title = {A defence of the letter published in the Philosophical  transactions for March and April 1729. Concerning the  impossible roots of equations; in a letter from the author,  to a friend at London. [electronic resource] :},
      publisher = {printed anno,},
      recid = {502546},
      pages = {20p. ;},
      address = {Edinburgh :},
      year = {1730},
}