J. Reibert, W. Haas, and C. Simader. Sealing systems - cutting edge technology in the smallest envelope, page 88-98. Fachverband Fluidtechnik im VDMA e.V., (2010)
J. Kümmel, and W. Haas. Sealing systems - cutting edge technology in the smallest envelope, page 583-592. Fachverband Fluidtechnik im VDMA e. V., (2010)