2ISO 4402 - 1991, Hydraulic Fluid Power - Calibration of Automatic Count Instruments for Particles Suspended in Liquid- Method Using Classified AC Fine Test Dust contaminant[S].
3ISO/TR16386. Impact of Changes in ISO Fluid Power Particle Counting - Contamination Control and Test Filter Standards, 1998[S].
4John G. Eleftherakis,Darlene C. Shelton. Accurate assessment of particle counts in liquids[J]. Lubrication engineering,1995,(3)
