@article{531431,
      note = {Reproduction of original from British Library.},
      author = {Ludlam, William,},
      url = {http://library.usi.edu/record/531431},
      title = {An essay on Sir Isaac Newton's second law of motion. By  the Reverend Mr. Ludlam. [electronic resource] :},
      publisher = {printed by R. Hett; and sold by T. Cadell, in the Strand,},
      recid = {531431},
      pages = {24p. :},
      address = {London :},
      year = {1780},
}