Chemistry in disks - VIII. The CS molecule as an analytic tracer of turbulence in disksS. Guilloteau, A. Dutrey, V. Wakelam, F. Hersant, D. Semenov, E. Chapillon, T. Henning and V. PiétuA&A, 548 (2012) A70DOI: https://doi.org/10.1051/0004-6361/201220331