1. Elements of Physical Biology;Lotka,1925
2. Lecons sur la theorie mathematique de la lutte pour la vie;Volterra,1931
3. Bionomic equilibrium of two species system. I;Bhattacharya;Math. Biosci.,1996
4. A bioeconomic model of non selective harvesting of two competing fish species;Purohit;ANZIME J.,2004
5. A. bioeconomic modeling of a three species fishery with switching effect;Samanta;J. Appl. Math. Comput.,2003