Glueball hunting in $e^+e^- \to J/\psi\to \phi f_0$
  Building on recent work by Brodsky {\it et al.}, we advocate searching for glueball degrees of freedom in $e^+e^- \to J/\psi\to \phi f_0$ at CLEO-c and BES. 
Frank E. Close and Qiang Zhao