1. The use of phosphotungstic acid (PTA) as a stain for the plasma membrane;Benedetti;Journal of the Royal Microscopical Society,1963
2. The root endodermis: fine structure and function;Bonnett;Journal of Cell Biology,1968
3. Ultrastructure of the haustorial apparatus of Erysiphe graminis and its relationship to the epidermal cell of barley;Bracker;Phytopathology,1968
4. Structural concepts of host-pathogen interfaces;Bracker,1973
5. The haustorium of Erysiphe graminis. An experimental study by light microscopy;Bushnell,1971