1. Barber, P.L., Barker, P.F., Pankhurst, R.J., 1991. Dredged rocks from Powell Basin and the South Orkney Microcontinent. In: Thomson, M.R.A., Crame, J.A., Thomson, J.W. (Eds.), Geological Evolution of Antarctica. Cambridge University Press, Cambridge, pp. 361–367.
2. The opening of the Drake Passage;Barker;Mar. Geol.,1977
3. An early Miocene ridge crest – trench collision on the South Scotia Ridge near 36°W;Barker;Tectonophysics,1984
4. South American–Antarctic plate motion over the past 50 My, and the evolution of the South American – Antarctic Ridge;Barker;Geophys. J.,1988
5. Revised calibration of the geomagnetic polarity time scale for the late Cretaceous and Cenozoic;Cande;J. Geophys. Res.,1995