On minimal coupling of the ABC-superparticle to supergravity background
  By rigorous application of the Hamiltonian methods we show that the ABC-formulation of the Siegel superparticle admits consistent minimal coupling to external supergravity. The consistency check proves to involve all the supergravity constraints. 
A.V. Galajinsky (ITP, Univ. Hannover), D.M. Gitman (IF, Univ. Sao   Paulo)