Modelling Covariances and Latent Variables Using EQS (G. Dunn, B. Everitt, and A. Pickles). - Wai Chan (SIAM Rev., 1995)

Structural equation modeling with near singular covariance matrices. - Ke-Hai Yuan; Wai Chan (Comput. Stat. Data Anal., 2008)

A Fast and Accurate Automatic Matching Network Designed for Ultra Low Power Medical Applications. - Wai Chan; Emeric de Foucauld; Pierre Vincent; Frédéric Hameau; Dominique Morche; Christophe Delaveaud; Renzo Dal Molin; Pascal Pons; Regis Pierquin; Eric Kerherve (ISCAS, 2009)