Orlando M,Sherbourne C D,Thissen D.Summed-score linking using item response theory:application to depression measurement.Psychological Assessment,2000,12(3):354-359.
Osman A,Downs W R,Barrios F X,Kopper B A,Gutierrez P M,et al.Factor structure and psychometric characteristics of the beck depression inventory-II.Journal of Psychopathology and Behavioral Assessment,1997,19(4):359-376.
Owen R J.A bayesian sequential procedure for quantal response in the context of adaptive mental testing.Journal of the American Statistical Association,1975,70:351-356.