1. Strömungsvorgänge beim Transport von Festteilchen und Flüssigkeitsteilchen in Gasen. mit besonderer Berücksichtigung der Vorgänge bei pneumatischer Förderung;Barth;Chemie Ingenieur Technik,1958
2. Approaches to dealing with the problem of energy loss due to bends;Bradley,1988
3. An improved method of predicting pressure drop along pneumatic conveying pipelines;Bradley,1989
4. Prediction of pressure losses in pneumatic conveying pipelines. Doctoral dissertation;Bradley,1990
5. Pressure losses caused by bends in pneumatic conveying pipelines, effects of bend geometry and fittings;Bradley;Powder Handling and Processing,1990