Evaluation of SIR epidemic models in
slaughter pig units using Monte Carlo
simulation

http://www.jbs.agrsci.dk/~ejo/sundhed/SIREval_dk.pdf

http://education.ti.com/educationportal/activityexchange/Activity.do?cid=US&aId=7720

http://www.math.duke.edu/education/ccp/materials/diffcalc/sir/contents.html

http://en.wikipedia.org/wiki/Compartmental_models_in_epidemiology

http://math.colgate.edu/~wweckesser/solver/DiseaseSIR.shtml

http://www.stanford.edu/~irinak/Math420FinalPaper.pdf