1. Introduction to the Theory and Applications of Functional Differential Equations;Kolmanovskii,1999
2. Delay Effects on Stability;Niculescu,2001
3. Introduction to Functional Differential Equations;Hale,1993
4. Simulation and separation by principle components of multiple demic expansions in Europe;Rendine;Am. Nat.,1986
5. The Neolithic Transition and the Genetics of Population in Europe;Ammerman,1984