Cañizares, M. C., Marcos, J. F., & Pallás, V. (1999). Molecular Characterization of an Almond Isolate of Hop Stunt Viroid (HSVd) and Conditions for Eliminating Spurious Hybridization in its Diagnosis in Almond Samples. European Journal of Plant Pathology, 105(6), 553–558. https://doi.org/10.1023/a:1008794531725
