1. An essay on principle of population and a summary view of the principle of population;Malthus,1798
2. Notice sur la loi que la population suit dans son accroissement;Verhulst;Correspondance Mathematique et Physique,1838
3. Mathematical biology I: an introduction;Murray,2002
4. Elements of physical biology;Lotka,1925
5. Variations and fluctuations of a number of individuals in animal species living together [Translation by Chapman RN in animal ecology];Volterra,1931