@classmethod
def get_by_short_name(cls, short_name):
    """
        Return :class:`.Measure` instance with given short name by registry
        lookup.

        Parameters
        ----------
        short_name : str
            Short name, identifier in :attr:`measure_dict`.

        Returns
        -------
        measure : :class:`.Measure`
            The instance.
        """
    return cls.measure_dict.get(short_name)
