Hirsch, Morris W. (1990). "Systems of Differential Equations That are Competitive or Cooperative. IV: Structural Stability in Three-Dimensional Systems". SIAM Journal on Mathematical Analysis. 21 (5). Society for Industrial & Applied Mathematics (SIAM): 1225–1234. doi:10.1137/0521067. ISSN0036-1410.
Kondoh, M. (2003-02-28). "Foraging Adaptation and the Relationship Between Food-Web Complexity and Stability". Science. 299 (5611). American Association for the Advancement of Science (AAAS): 1388–1391. doi:10.1126/science.1079154. ISSN0036-8075. PMID12610303. S2CID129162096.
Kondoh, M. (2003-02-28). "Foraging Adaptation and the Relationship Between Food-Web Complexity and Stability". Science. 299 (5611). American Association for the Advancement of Science (AAAS): 1388–1391. doi:10.1126/science.1079154. ISSN0036-8075. PMID12610303. S2CID129162096.
Kondoh, M. (2003-02-28). "Foraging Adaptation and the Relationship Between Food-Web Complexity and Stability". Science. 299 (5611). American Association for the Advancement of Science (AAAS): 1388–1391. doi:10.1126/science.1079154. ISSN0036-8075. PMID12610303. S2CID129162096.
Hirsch, Morris W. (1990). "Systems of Differential Equations That are Competitive or Cooperative. IV: Structural Stability in Three-Dimensional Systems". SIAM Journal on Mathematical Analysis. 21 (5). Society for Industrial & Applied Mathematics (SIAM): 1225–1234. doi:10.1137/0521067. ISSN0036-1410.
Kondoh, M. (2003-02-28). "Foraging Adaptation and the Relationship Between Food-Web Complexity and Stability". Science. 299 (5611). American Association for the Advancement of Science (AAAS): 1388–1391. doi:10.1126/science.1079154. ISSN0036-8075. PMID12610303. S2CID129162096.