%0 Journal Article %A S. Sams, M. %A R. Williamson, P. %T Backus averaging, scattering and drift %D 1992 %J , %V %@ 2214-4609 %C cp-45-00353 %R https://doi.org/10.3997/2214-4609.201410691 %I European Association of Geoscientists & Engineers, %X %U https://www.earthdoc.org/content/papers/10.3997/2214-4609.201410691