@article{596800,
      note = {Reproduction of original from William Andrews Clark  Memorial Library (UCLA).},
      author = {Leybourn, William,},
      url = {http://library.usi.edu/record/596800},
      title = {The line of proportion or numbers, commonly called  Gunter's line, made easie ... Whereunto is added, the use  of the line of proportion improved: ... The seventh edition  carefully corected [sic] and other new ways of measuring  added. By William Leybourn. [electronic resource] :},
      publisher = {printed for A. and J. Churchill,},
      recid = {596800},
      pages = {[6],17,[1],168p.,table ;},
      address = {London :},
      year = {1702},
}