Radiation pressure

Hi Robert,
How can radiation pressure (https://en.wikipedia.org/wiki/Radiation_pressure) be derived from New Electromagnetism?
Or will it be possible only after the NE equations will be separated for source-radiation and target-action components?
How can radiation pressure (https://en.wikipedia.org/wiki/Radiation_pressure) be derived from New Electromagnetism?
Or will it be possible only after the NE equations will be separated for source-radiation and target-action components?