Thammakijjawat, P.; Thaveechai, N.; Kositratana, W.; Chunwongse, J.; Frederick, R. D.; Schaad, N. W. Genetic Analysis of Ralstonia solanacearum Strains from Different Hosts in Thailand Using PCR-Restriction Fragment Length Polymorphism. Agr. Nat. Resour. 2001, 35, 397-408.