Computer-assisted selection of restriction enzymes for rrs genes PCR-RFLP discrimination of rhizobial species Marc Neyra, Bouchaib Khbaya, Philippe de Lajudie, Bernard Dreyfus and Philippe Normand Genet. Sel. Evol., 30 Supplement (1998) S297-S309 DOI: 10.1051/gse:19980718