@article{Yildiz06a,
   author = {A.R. Yildiz and F. Ozturk},
   title = {Hybrid enhanced genetic algorithm to select optimal machining parameters
   in turning operation},
   journal = {Proceedings of the Institution of Mechanical Engineers Part B--Journal
   of Engineering Manufacture},
   volume = {220},
   number = {12},
   pages = {2041--2053},
   month = {December},
   year = {2006}
}