1. Allen, M. R.: 1992, ?Interaction between the Atmosphere and Oceans on Time Scales of Weeks to Years?, Ph.D. Thesis, St. Johns College, Oxford, 203 pp.
2. Allen, M. R. and Smith, L. A.: 1994, ?Investigating the Origins and Significance of Low-Frequency Modes of Climate Variability?,Geophys. Res. Lett. 21, 883?886.
3. Broomhead, D. S. and King, G.: 1986, ?Extracting Qualitative Dynamics from Experimental Data?,Physica D 20, 217?236.
4. Burg, J. P.: 1978, ?A New Technique for Time Series Data?, in Childers, D. G. (ed.),Modern Spectrum Analysis, IEEE Press, New York, pp. 42?48.
5. Colebrook, J. M.: 1978, ?Continuous Plankton Records - Zooplankton and Environment, Northeast Atlantic and North Sea, 1948-1975?,Oceanol. Acta 1, 9?23.