from geoana.em.fdem.base import (
    omega, wavenumber, skin_depth, sigma_hat, BaseFDEM
)

from geoana.em.fdem.wholespace import (
    ElectricDipoleWholeSpace, MagneticDipoleWholeSpace
)

from geoana.em.fdem.halfspace import MagneticDipoleHalfSpace

from geoana.em.fdem.layered import MagneticDipoleLayeredHalfSpace
