@ARTICLE{process2015,
     Title={Process Optimization of Electric Discharge Machining using Response Surface Methodology},
     Author={Rajinder Kumar, Neel Kanth Grover, Amandeep Singh},
     Journal={Applied Mechanics and Materials},
     Volume={813},
     Number={0},
     Pages={393-397},
     Publisher={Trans Tech Publications, Switzerland},
     Year={2015}
}