1. Numerical techniques in linear duct acoustics—A status report;Baumeister;NASA TM 81553,1980
2. Time dependent difference theory for noise propagation in a two dimensional duct;Baumeister;American Institute of Aeronautics and Astronautics Journal,1980
3. Time dependent difference theory for sound propagation in axisymmetric ducts with plug flow;Baumeister,1980
4. Influence of exit impedance on finite difference solutions of transient acoustic mode propagation in ducts;Baumeister;American Society of Mechanical Engineers, Journal of Engineering for Industry,1982