Article Title,Year,Volume,Issue,Page Range,Author Determination in relation to safety of operation of the minimal load on the front steering axle of a tractor with implements attached,1971,16,2,126-140,Habarta The cost of accidents in agriculture,1986,35,4,245-257,Morris A physical model for demonstrating tractor accidents on slopes,1982,27,2,163-168,Hunter Safe access to farm tractors and trailers,1991,50,,219-237,Hammer A microprocessor-based safe descent slope meter,1983,28,3,269-272,Owen Two types of tractor four-wheel drive engage alarm for use on slopes,1986,33,2,155-158,Owen A device for assessing the safe descent slope of agricultural vehicles,1981,26,3,277-286,Owen Stability analysis of trailed tankers on slopes,1985,32,4,311-320,Hunter A mathematical model of tractor overturning and impact behaviour,1979,24,4,375-394,Chisholm The behaviour of tractor drive tyres at low inflation pressures when reacting high side forces,1988,39,3,221-229,Nguyen Experimental validation of a tractor overturning simulation,1979,24,4,395-415,Chisholm The effect of parameter variation on tractor overturning and impact behaviour,1979,24,4,417-440,Chisholm Theoretical considerations in placing the centre of gravity of single-axled trailers,1973,18,2,159-165,Wolf An automatic coupling device for tractor p.t.o. drivelines,1984,30,,347-352,Kofoed Big mirrors to improve tractor driver's posture and quality of work,1980,25,1,47-55,Sjøflot Tractor behaviour during motion uphill: I. Factors affecting behaviour,1970,15,3,221-235,Gilfillan The development of tractors and other agricultural vehicles,1984,29,1,3-16,Göhlich A comparison of tractor rear tyres in their resistance to side slip,1972,17,1,64-70,Baker Survey of the working condition of used tractors in northern Italy,1995,62,3,193-202,Febo An approach to a universal tractor hitch,1973,18,1,37-45,Sonne Kofoed On-site measurement of the stability of agricultural machines,1985,31,1,81-91,Owen Stability and control of two-wheel drive tractors and machinery on sloping ground,1978,23,2,169-188,Spencer An approach to the assessment of tractor stability on rough sloping ground,1976,21,2,169-176,Spencer The design and management of low temperature grain driers in England--a simulation study,1984,29,2,123-131,Sharp Centre of gravity analysis of fluid in inclined tanks,1986,33,2,111-126,Hunter Trends in power and machinery,2000,76,3,237-247,Dieter Kutzbach Automatic guidance sensors for agricultural field machines:A review,1991,50,,167-187,Tillett Tractor behaviour during motion uphill: II. Comparisons of behaviour,1970,15,3,236-243,Gilfillan An instrumented tractor for use in motion behaviour studies on sloping ground,1976,21,4,355-360,Spencer Electrical methods of killing plants,1984,30,,197-209,Diprose Dynamic effects of speed depth and soil strength upon forces on plough components,1992,51,,47-66,Girma Design wind loads for closed farm buildings,1984,29,4,305-311,Hoxey Four-wheel drive tractors--a review,1985,31,3,185-201,Rackham The braking performance of tractor-trailer combinations,1970,15,2,148-162,Dwyer The prediction of tractor field performance,1974,19,2,167-172,Kolozsi Preliminary results from the on-farm evaluation of an experimental farm transport vehicle,1987,38,1,15-26,Dwyer Theoretical analysis of inertia torque overloads when starting up p.t.o. driven agricultural machinery,1977,22,2,197-208,Crolla Experiments in improving tractor operator ride by means of a cab suspension,1975,20,4,433-448,Moran