1. Mechel, F.P.: “Schallabsorber”, Vol. I, Chapter 6: “Cylindrical sound absorbers” S.Hirzel Verlag, Stuttgart, 1989
2. Mechel, F.P.: “Schallabsorber”, Vol. II, Chapter 14: “Characteristic values of composite media” S.Hirzel Verlag, Stuttgart, 1995
3. Mechel, F.P.: “Improvement of Corner Shielding by an Absorbing Cylinder” Sound Vibr. 219 (1999) 559–579
4. Mechel, F.P. “A Uniform Theory of Sound Screens and Dams”: Acta Acustica 83 (1997) 260–283
5. Mechel, F.P.: “Mathieu Functions; Formulas, Generation, Use” S. Hirzel Verlag, Stuttgart, 1997