1. Controlling contamination in underground mining machine hydraulic systems;Brown,1986
2. The characteristics of practical systems;Day,1984
3. Contamination control improves reliability—a case study;Crook;Chartered Mech. Eng.,1986
4. Wear generation in hydraulic pumps;Silva;SAE Technical Paper Series,1986
5. Wear sensitivity of hydraulic displacement units to solid contamination;Backé;Ölhydraulik und Pneumatik,1989