1. Fluid power control systems-some mechatronic issues;Watton,1991
2. NFPA reporter, Nov/Dec 1990 edition, NFPA-Trends Survey, instigated by James P. Mockler, Vice President, Parker Hannifin Corporation and President of the Fluid Power Group.
3. The British Fluid Power Association, Newsletter Part 1: Technical and standards;BFPA,1991
4. The microcomputer modelling and control of a flow bypass valve operated hydraulic press rig;Nelson,1990
5. Fluid Power Systems—Modelling, Simulation, Analogue and Microcomputer Control;Watton,1989