@ARTICLE{satvir2017:23,
     Title={Node Localization in Wireless Sensor Networks Using Butterfly Optimization Algorithm},
     Author={Arora, Sankalap and Singh, Satvir},
     Journal={Arabian Journal for Science and Engineering},
     Volume={42},
     Number={8},
     Pages={3325-3335},
     Publisher={Springer},
     Year={2017}
}