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Calsina A, Ripoll J.Calsina A, et al. Among authors: ripoll j.J Math Biol. 2002 Jul;45(1):22-36. doi: 10.1007/s002850200147.J Math Biol. 2002.PMID: 12140689
Calsina A, Ripoll J.Calsina A, et al. Among authors: ripoll j.J Math Biol. 2010 Feb;60(2):161-88. doi: 10.1007/s00285-009-0261-z. Epub 2009 Mar 15.J Math Biol. 2010.PMID: 19288262