Dealing with prognostics uncertainties: Combination of direct and recursive remaining useful life estimations. - Moncef Soualhi; Khanh T. P. Nguyen; Kamal Medjaher; Fatiha Nejjari; Vicenç Puig; Joaquim Blesa; Joseba Quevedo; Francesc Marlasca (Comput. Ind., 2023)