7Charney J G, R G Fleagle, V E Lally et al. The feasibility of a global observation and analysis experiment[J]. Bull Amer Meteor Soc, 1966, 47: 200--220.
8Lorenz E N. Deterministic nonperiodic flow[J]. J Atmos Sci,1963, 20:130--141.
9Lorenz E N. Atmospheric predictability as revealed by naturally occurring analogues[J]. J Atmos Sci, 1969, 26: 636--646.
10Lorenz E N. Atmospheric predictability experiments with alarge numerical model[J]. Tellus, 1982, 34:505--513.