00293nam a2200109Ia 450000500170000000800410001708200150005810000150007324500360008826000510012430000080017520260224040909.0260224s9999||||xx |||||||||||||| ||und||  a581.23 DAY  aDay, P.R.  0aGenetics and plant pathogenesis  aBoston : Blackwell Scientific Publishersc1987  a352