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  title = {Thermal efficiency improvement of super-lean burn spark ignition engine by stratified water insulation on piston top surface},
  journal = {International Journal of Engine Research},
  year = 2020,
}

@article{CTT100792044,
  author = {Katsuya Kato and Kazuhiko Fukawa and Ryota Yamada and HIROSHI SUZUKI and Satoshi Suyama},
  title = {Low-complexity MIMO signal detection employing multistream constrained search},
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  year = 2018,
}