@classmethod
def ModifiedGammaDistribution(cls, rmin, rmax):
    """Set 6S to use a Modified Gamma distribution.

        Arguments:

        * ``rmin`` -- The minimum aerosol radius
        * ``rmax`` -- The maximum aerosol radius

        This returns an :class:`.AerosolDistribution` object. Components can then be added to this distribution using the :meth:`.add_component`
        method of the returned class.

        Example usage::

          s.aeroprofile = AeroProfile.ModifiedGammaDistribution(0.3, 0.1)
          s.aeroprofile.add_component(...)

        """
    return cls.AerosolDistribution(rmin, rmax, 9)
