Pomeron-Odderon interference effects in electroproduction of $\pi^+   \pi^-$
  We review the results of our studies on the charge and the spin asymmetries in the electroproduction of $\pi^+ \pi^-$ which are the observables sensitive to the Pomeron-Odderon interference. 
Ph. H\"agler, B. Pire, L. Szymanowski, O.V. Teryaev