Nonlinear estimation by Ross, Gavin J. S.

Chaotic dynamics of nonlinear systems by Rasband, S. Neil

Non-linear time series a dynamical system approach by Tong, Howell

Nonlinear regression by Seber, G. A. F. (George Arthur Frederick) 1938-

Nonlinear stochastic systems theory and applications to physics. by Adomian, George

The nonlinear theory of elastic shells one spatial dimension by Libai, A. (Avinoam) 1929-, Simmonds, James G.

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Mathematical theories of nonlinear systems by Banks, Stephen P.

Mathematical theories of nonlinear systems by Banks, Stephen Paul

Nonlinear time series and signal processing

Non-linear and non-stationary time series analysis by Priestley, M.B. (Maurice Bertram)