@ARTICLE{Noack2005jfm,
         AUTHOR = {Noack, B.R.\ and
                   Papas, P.\ and
                   Monkewitz, P.A.},
         YEAR   = 2005,
         TITLE  = {The need for a pressure-term representation
                   in empirical Galerkin models
                   of incompressible shear flows},
         JOURNAL= {J.\ Fluid Mech.},
         VOLUME = {523},
         PAGES  = {339-365}}