ElwakilS09'

@article{DBLP:journals/jcsc/ElwakilS09,
  author    = {Ahmed S. Elwakil and
               K. N. Salama},
  title     = {On the Nonlinear Modeling of Ring oscillators},
  journal   = {Journal of Circuits, Systems, and Computers},
  volume    = {18},
  number    = {4},
  year      = {2009},
  pages     = {681-696},
  ee        = {http://dx.doi.org/10.1142/S0218126609005198},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}