1. Tomato bushy stunt virus from Prunus avium L. I. Field studies and virus characterization;Allen;Can. J. Botany,1967
2. A new species of Olpidium parasitic on cucumber roots;Barr;Can. J. Botany,1968
3. The nature of the associations between Olpidium brassicae and lettuce big-vein and tobacco necrosis viruses;Campbell;Virology,1966
4. Big-vein virus of lettuce and its transmission by Olpidium brassicae;Campbell;Phytopathology,1963
5. Acquisition and transmission of lettuce big-vein virus by Olpidium brassicae;Campbell;Phytopathology,1964