@article{AMLG_1987__26_138057,
     author = {R.G. Downey},
     title = {Localization o a theorem of {Ambos-Spies} and the strong anti-splitting property.},
     journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
     pages = {127--136},
     publisher = {mathdoc},
     volume = {26},
     year = {1987},
     zbl = {0634.03033},
     url = {http://geodesic.mathdoc.fr/item/AMLG_1987__26_138057/}
}