@article{720018,
      recid = {720018},
      author = {Kaschke, Michael. and Donnerhacke, Karl-Heinz. and Rill,  Michael Stefan. and Benjamin, Simone.},
      title = {Optical devices in ophthalmology and optometry technology,  design principles and clinical applications / [electronic  resource] :},
      pages = {1 online resource (639 pages) :},
      url = {http://library.usi.edu/record/720018},
}