Paul, V.S. and Bhardwaj, L.N. 1987. Powdery Mildews on <I>Prinsepia Utilis</I> Royle from India. Indian Forester. 113, 11 (Nov. 1987), 753–754. DOI:https://doi.org/10.36808/if/1987/v113i11/9484.