1. Transport at the smallholder level in developing countries—a computer model to predict the vehicle performance and costs;Crossley,1980
2. Rural transport in developing countries—the development of the ‘CARTA’ computer program;Crossley;Journal of Agricultural Engineering Research,1982
3. Examples of the use of ‘CARTA’—a computer program to predict vehicle performance and costs in developing countries;Crossley;Journal of Agricultural Engineering Research,1982
4. Modelling of the operating costs of agricultural transport vehicles for the smallholder sector of less developed countries;Crossley,1980
5. Rural road characteristics and vehicle operating costs in developing countries;Crossley;Journal of Terramechanics,1981