Masliev, I. <https://pure.iiasa.ac.at/view/iiasa/1436.html> & Somlyody, L. <https://pure.iiasa.ac.at/view/iiasa/1584.html>  (1994).  Uncertainty Analysis and Parameter Estimation for a Class of River Dissolved Oxygen Models.   IIASA Working Paper. IIASA, Laxenburg, Austria: WP-94-009