@misc{oculus,
    title = {Oculus Rift DK2 Setup — LeapMotion documentation},
    howpublished = {\url{https://developer.leapmotion.com/vr-setup/dk2}}
}

@misc{UE4,
    title = {UnrealEngine4 — UE4 documentation},
    howpublished = {\url{https://docs.unrealengine.com/en-us/GettingStarted}}
}

@misc{UE4-LM,
    title = {connect LeapMotion with UE4 — LeapMotion plugin},
    howpublished = {\url{https://developer.leapmotion.com/unreal/}}
}

@misc{UE4-O,
    title = {connect Oculus with UE4 — UE4 documentation},
    howpublished = {\url{http://api.unrealengine.com/JPN/Platforms/Oculus/QuickStart//}}
}