@Article{li2012validating,
  author = {Li, Xuemei and Thelwall, Mike and Giustini, Dean},
  title  = {Validating online reference managers for scholarly impact measurement},
  journal = {Scientometrics},
  year   = {2012},
  number = {2},
  url    = {http://dx.doi.org/10.1007/s11192-011-0580-x},
  doi = {10.1007/s11192-011-0580-x},
  const  = {\ text}
}