Bulletin of Mathematical BiologySeptember 2003, Volume 65, Issue 5, pp 959–960 | Cite asBook reviewAuthorsAuthors and affiliationsMiguel Lara-AparicioArticle 41 Downloads This is a preview of subscription content, log in to check access.Copyright information© Society for Mathematical Biology 2003Authors and AffiliationsMiguel Lara-Aparicio11.Departamento de Matemáticas, Facultad de CienciasUniversidad Nacional Autónoma de MéxicoMéxico