1. UCLA Symposium on Molecular and Cellular Biology New Series 122;MR Bates,1990
2. Bates, M. R., Buck, K. W., and Brasier, C. M. 1993a. Molecular relationships between Ophiostoma ulmi and the NAN and EAN races of O. novo-ulmi determined by restriction fragment length polymorphisms of nuclear DNA. Mycol. Res., in press.
3. Bates, M. R., Buck, K. W., and Brasier, C. M. 1993b. Molecular relationships of the mitochondrial DNA of Ophiostoma ulmi and the NAN and EAN races of O. novo-ulmi determined by restriction fragment length polymorphisms. Mycol. Res., submitted.
4. Brasier, C. M. 1977. Inheritance of pathogenicity and cultural characters in C. ulmi. Hybridisation of protoperithecial and non-aggressive strains. Trans. Br. Mycol. Soc. 68: 45–52.
5. Brasier, C. M. 1979. Dual origin of recent Dutch elm disease outbreaks in Europe. Nature 281:78–79.