V. Ashley Walker Herbert Peremans John C. T. Hallam Good vibrations: Exploiting reflector motion to partition an acoustic environment. 43-55 1998 24 Robotics and Autonomous Systems 1-2 http://dx.doi.org/10.1016/S0921-8890(98)00021-9 db/journals/ras/ras24.html#WalkerPH98