TY - CONF ID - iiasa4051 UR - https://pure.iiasa.ac.at/id/eprint/4051/ A1 - Ermoliev, Y.M. A1 - Oortmarssen, G. van Y1 - 1994/// TI - On modelling and optimization of abrupt changes: Disease control processes AV - none T2 - Proceedings of the Working Group Meeting on Modelling Noncommunicable Diseases: Methodological Issues ER -