Daxner, T., & Tomas, R. W. (2009). Mechanical Properties of Semi-Expanded Hollow Sphere Structures. In H. Zhao & N. A. Fleck (Eds.), IUTAM Symposium on Mechanical Properties of Cellular Materials (pp. 87–95). Springer-Verlag. http://hdl.handle.net/20.500.12708/65885 ( reposiTUm)

Daxner, T., Tomas, R. W., & Bitsche, R. D. (2008). Mechanics of Semi-Expanded Hollow Sphere Foams. In L. P. Lefebvre, J. Banhart, & D. Dunand (Eds.), MetFoam 2007 - Porous Metals and Metallic Foams (pp. 169–172). DEStech. http://hdl.handle.net/20.500.12708/65888 ( reposiTUm)

Daxner, T., Tomas, R. W., & Böhm, H. J. (2009). Strength Prediction for Semi-Expanded Sintered Hollow Sphere Structures. MetFoam 2009, Bratislava, EU. http://hdl.handle.net/20.500.12708/92785 ( reposiTUm)

Daxner, T., & Tomas, R. W. (2007). Mechanical Properties of Semi-Expanded Hollow Sphere Structure. IUTAM Symposium on Mechanical Properties of Cellular Materials 2007, Paris, France. http://hdl.handle.net/20.500.12708/92376 ( reposiTUm)

Daxner, T., Tomas, R. W., & Bitsche, R. D. (2007). Mechanics of Semi-Expanded Hollow Sphere Foams. MetFoam 2007, Montreal, PQ, Non-EU. http://hdl.handle.net/20.500.12708/92371 ( reposiTUm)