Deepak, S., Shailasree, S., Kini, R., Muck, A., Mithöfer, A., & Shetty, S. (2010). Hydroxyproline rich glycoproteins and plant defence. Journal of Phytopathology, 158, 585-593. doi:10.1111/j.1439-0434.2010.01669.x.