A. Comberg, S. Ewert: „Übergangstemperatur zur Supraleitung, Energielücke und Widerstandsverlauf amorpher und kristallisierter Thallium-Tellur Schichten“, Z. Physik 268, 2141 (1974)

A. Comberg, S. Ewert, G. Bergmann: „Energy Gap and Transition temperature of Highly Disordered and Amorphous Thallium- and Indium- Films“ , Z. Physik 271, 317 (1974)

A. Comberg, S. Ewert, H. Wühl: „Superconductivity of Quench-Condensed Beryllium and Beryllium-Germanium Films“, Z. Physik B20, 165 (1975)

S. Ewert, A. Comberg, H. Wühl, W. Sander: „Specific Heat and Tunneling Measurements on Amorphous Indium-Films“, Int. Conf. Low temp. Phys. LT14, Helsinki, 2, 407

S. Ewert, A. Comberg, H. Wühl: “Specific Heat and Tunneling Measurements on Amorphous Indium and Thallium Films”, Materials Science and Engineering, 23 (1976) 275

S. Ewert, A. Comberg, H. Wühl: “Superconductivity of Amorphous and Disordered Crystalline Indium Films”, Solid State Commun. 18, 923 (1976)

A. Comberg, S. Ewert, H. Wühl: „Lattice Specific Heat of Amorpous Indium Films“, Z. Physik B25, 173 (1976)

S. Ewert, S. Guo, P. Lemmens, F. stellmach, J. Wynants, G. Arlt, D. Bonnenberg, H. Kliem, A. Comberg, H. Passing: „Ultrasonic investigations on superconducting YBa₂Cu₃O_7-δ samples of different microstructure”, Solid State Commun. 64, 1153 (1987)

P. Lemmens, J. Wynants, G. Arlt, A. Comberg, H. Passing, G. Marbach : « Ultrasound studies of YBa₂Cu₃O_7-δ of different microstructure”, Physica C 153-155, 294 (1988)

P. Lemmens, F. Stellmach, J. Wynants, S. Ewert, A. Comberg, H. Passing, G. Marbach: „Acoustic measurements on high-Tc superconductors in the systems Y-Ba-Cu-O and Bi,Pb-Sr-Ca-Cu-O”, Journal of Less Common Materials 151, 153 (1989)

P. lemmens, Ch. Hünnekes, M. Brakmann, S. Ewert, A. Comberg, H. Passing: „Anomalous Poisson ratio and bulk modulus in high-Tc superconductors“, Physica C 162-164, 452 (1989)

P. Lemmens, Ch. Hünnekes, P. Fröning, S. ewert, H. Passing, G. Marbach, A. Comberg: Elastic properties of YBa₂Cu₃O_7-δ and (Y_1-xPr_x)Ba₂Cu₃O₇ studied by ultrasound”, Journal of Less Common Materials 164-165, 1129-35 (1990)

J. Pankert, G. Marbach, A. Comberg, P. Lemmens, P. Froening, S. Ewert: „Ultrasonic attenuation by the vortex lattice of high-Tc superconductors“, Phys. Rev. Lett. 65, 3052-3055 (1990)

P. Lemmens, Ph. Froening, S. Ewert, J. Pankert, H. Passing, A. Comberg: “A new approach to the problem of flux pinning”, Physica B 165-166, 1275-6 (1990)

P. Lemmens, Ch. Huennekes, S. Ewert, A. Comberg, H. Passing: „ Bulk modulus and Poisson ratio of YBa₂Cu₃O_7-δ and (Y_1-xPr_x)Ba₂Cu₃O₇”, in High-Temperature Superconductors, Materials Aspects, ed. H.C. Freyhardt, R. Flückiger, M. Peuckert, DGM Verlag (1991) Oberursel

P. Lemmens, P. Fröning, S. Ewert, J. Pankert, G. Marbach, A. Comberg: „Ultrasonic attenuation by the vortex lattice of Bi_1.6Pb_0.4Sr₂Ca₂Cu₃O_x” Physica C 174, 289-302, (1991)

J. Pankert, G. Marbach, H. Passing, A. Comberg, P. lemmens, P. Fröning, S. Ewert: „Magnetoacoustic determination of pinning energy in high-Tc superconductors“, Physica C 182, 291-296 (1991)

P. Lemmens, S. Ewert, J. Pankert, A. Comberg, T. Suzuki, T. Fujita: „Pinning in high-field superconductors using magnetoacoustic experiments”, in Advances in Superconductivity V, Eds. Y. Bando, yamauchi, Springer Verlag, p. 471-474 (1973) Tokyo

R. Porath, A. Comberg: “High performance miniature ceramic antennas”, Philips Research Password 6, 2001

A. Comberg: “The New Ceramic Age”, Philips Research Mosaic 3, 1996