Operational research 81;Proceedings of the ... Information Technology;proceedings of the ... (SESA Fall Meeting)Proceedings of the ... Computer Message Systems-85: Proceedings of the ... Wehicle structural mechanics: Proceedings of the ... Operations research and economic theory Urban Drainage Modelling;Proceedings of the ... International symposium on programming: Proceedings of the ... Applications of speckle phenomena: Proceedings of the ... International conference on All-Wheel Drive: Proceedings or the ...