%0 Journal Article %T The spectral variability of a sample of WC 9 stars on time-scales of days to weeks %A Desforges,, S. %A St-Louis,, N. %A Chené,, A.-N. %A , de la ChevrotièreA. %A Hénault-Brunet,, V. %J Monthly Notices of the Royal Astronomical Society %V 465 %N 1 %@ 0035-8711 %D 2017-02-11 %I The Royal Astronomical Society %~ DeepDyve