1. A lagrangian model invariant under supergauge transformations
2. Supergauge invariant extension of quantum electrodynamics
3. Abdus Salam and J. Strathdee, ICTP, Trieste, preprint IC/74/36, Phys. Letters, to appear;
4. R. Delbourgo, Abdus Salam and J. Strathdee, ICTP, Trieste, preprint IC/74/45, Phys. Letters, to appear;