deletions | additions       diff --git a/Payam.tex b/Payam.tex  index ea47334..65c8f66 100644  --- a/Payam.tex  +++ b/Payam.tex 
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\citet{Clercx_1997};\\  \citet{Kao_Yodh_Pine_1993} for high-speed experiment;\\  \citet{nderson_Mitchell_Bartlett_2002} describe an experiment where sonic communication is observed.  \citet{10.1103/PhysRevE.74.031402} \citet{Padding_Louis_2006}  coarse-graining. \item Does Payam assume incompressible flow somewhere -- e.g. when setting up the thin jet equations?