1. Theory of dual control;Feldbaum;Avtomatika i Telemakhanika,1960
2. Adaptive dual extremum control by finite order Volterra model;Haber;Problems of Control and Information Theory,1974
3. Nonlinear structures for system identification;Haber;Periodica Polytechn. -Electr. Eng.,1974
4. Haber, R., and L. Keviczky (1976). Identification of nonlinear dynamic systems - Survey. 4th IFAC Symp. on Ident. and Syst. Parameter Estimation, Tbilisi, 62–112.
5. Comparison of six on-line identification and parameter estimation methods;Isermann;Automatica,1974