@book{AleAghaBoyleBraunetal.2008,
  author    = {Nosratollah Ale-Agha and H. Boyle and Uwe Braun and H. Butin and Horst Jage and Volker Kummer and H. Shin},
  title     = {Taxonomy, host range and distribution of some powdery mildew fungi (Erysiphales)},
  year      = {2008},
}