Generalizations of Maxwell (super)algebras by the expansion method
  The Lie algebras expansion method is used to show that the Maxwell (super)algebras and some of their generalizations can be derived in a simple way as particular expansions of o(3,2) and osp(N|4). 
J. A. de Azcarraga, J. M. Izquierdo, J. Lukierski and M. Woronowicz
hep-th math-ph math.MP