Cosmological models with bulk viscosity in presence of adiabatic matter   creation and with G, c and Lambda variables
  Some properties of cosmological models with a time variable bulk viscous coefficient in presence of adiabatic mater creation and G, c, Lambda variables are investigated in the framework of flat FRW line element. We trivially find a set of solutions through Dimensional Analysis. In all the studied cases it is found that the behaviour of these constants is inversely prportional to the cosmic time. 
J. A. Belinchon