Lorenz E N. Empirical Orthogonal Functions and statistical weather prediction. Sci. Rept., No. 1, Statistical Forecasting Project, Mass.Inst. Tech., Dept. of Meteorology, Cambridge, Mass., 1956, 49 - 50.
[5]
Wallace J M, Gutzler D S. Teleconnections in the geopotential height field during the Northern Hemisphere winter. Mon. Wea. Rev. , 1981,109:784 - 812.
[6]
Trenberth K E, Paolio D A. Characteristic patterns of variability of sea level pressure in the Northern Hemisphere. Mort. Wea. Rev., 1981,109: 1169- 1189.
[7]
Parnett T P, Preisendorfer R W. Muhifield analog prediction of short term climatic fluctuations using a climatic state vector. J. Atmos. Sci. ,1987, 35: 1771- 1787.
[8]
Preisendorfer R W. PCA in Meteor. and Oceanography. Elsevier Sci.Publishers, Amsterdan, Oxford, New York, 1988. 425pp.
Hasselmann K. PIPs and POPs: The reduction of complex dynamical systems using principal interaction and oscillation patterns. J. Geophys.Res., 1988, 93(D9): 11015- 11021.