@article{789450,
      recid = {789450},
      author = {Hahn, Robert,},
      title = {The metaphysics of the Pythagorean theorem : Thales,  Pythagoras, engineering, diagrams, and the construction of  the cosmos out of right triangles /},
      pages = {1 online resource.},
      url = {http://library.usi.edu/record/789450},
}