@ARTICLE{Noack1993pfa,
         AUTHOR = {Noack, B.~R.\ and 
                   K\"onig, M.\ and 
                   Eckelmann, H.},
         YEAR   = 1993,
         TITLE  = {Three-dimensional stability analysis
                   of the periodic flow
                   around a circular cylinder},
         JOURNAL= {Phys.\ Fluids A},
         VOLUME = {5},
         NUMBER = {6},
         PAGES  = {1279--1281}}