1. Acerbi E., Chiado Piat V., Dal Maso G. and Percivale D., An extension theorem from connected sets, and homogenization in general periodic domains.Nonlinear Anal.18(1992) 481–496.
2. Allaire G., Homogenization and two-scale convergence.SIAM J. Math. Anal.23(1992) 1482–1518.
3. G. Allaire, A. Damlamian and U. Hornung, Two-scale convergence on periodic surfaces and applications, inProceedings of the International Conference on Mathematical Modelling of Flow through Porous Media,edited by A. Bourgeatet al., World Scientific Pub., Singapore (1996) 15–25.
4. Bastian P., Chavarría-Krauser A., Engwer Ch., Jäger W., Marnach S. and Ptashnyk M., Modellingin vitrogrowth of dense root networks.J. Theor. Biol.254(2008) 99–109.
5. Caloin M. and Yu O., An extension of the logistic model of plant growth.Ann. Bot.49(1982) 599–607.