Search for: [References = "29. ZUUR A.F., LENO E.N., WALKER N.J., SAVELIEV A.A., SMITH G.M., 2009. Things are not always linear\; additive modelling. \[in\:\] A.F. Zuur, E.N. leno, N.J. Walker, A.A. Saveliev, G.M. Smith \(eds.\), Mixed effects models and extensions in ecology with R., New York\: Springer, pp. 35\-69."]