Demonstration of an 4.2 K analog switch matrix in a standard 0.7 μ CMOS process Y. Creten, J. De Hert, O. Charliert, P. Merken, J. Putzeys et C. Van Hoof J. Phys. IV France, 12 3 (2002) 211-213 DOI: 10.1051/jp420020069