N = 1 Supersymmetric Extension of the QCD Effective Action
  We present a new 4D, N = 1 supersymmetric nonlinear sigma-model using complex linear and chiral superfields that generalizes the massless limit of the QCD effective action of Gasser and Leutwyler. 
S. J. Gates Jr., M. T. Grisaru, M. E. Knutt-Wehlau, M. Rocek and O. A.   Soloviev