HARINGX, J. A. On highly Compressible Herical Springs and Rubber Rods and Their Application for Vibration-Free Mountings, I, II, III. Philips Research Reports. 1948, 3
HARINGX, J. A. On highly Compressible Herical Springs and Rubber Rods and Their Application for Vibration-Free Mountings, I, II, III. Philips Research Reports. 1949, 4