5Picci, Giorgio, Pinzoni, Stefano.On joint identification and latent variable estimation in factor analysis models [J].Proceedings of the IEEE Conference on Decision and Control, 1994, (4) : 3877 - 3882.
6Sudheer R. Satti, Jennifer M.Jacobs and Suat Irmak. Agricultural water management in a humid region: sensitivity to climate, soil and crop parameters [J] .Agricultural Water Management, 2004, 10 (70): 51-65.