Orbital Forcing of the Marine Isotope Stage 9 Interglacial.
Stirling , C.H., Esat, T.M., Lambeck, K., McCulloch, M.T., Blake, S.G., Lee, D. C., Halliday, A.N. (2001) Orbital Forcing of the Marine Isotope Stage 9 Interglacial. Science, 291: 290-293. Link to Full Text or pdf