Quenching factor measurement in low pressure gas detector for directional dark matter searchO. Guillaudin, J. Billard, G. Bosson, O. Bourrion, T. Lamy, F. Mayet, D. Santos and P. SortaisEAS Publications Series, 53 (2012) 119-127DOI: https://doi.org/10.1051/eas/1253015