Sharma, R. C., Sharma, S., & Khurana, D. K. (1999). Assessment of Poplar Germplasm for Resistance Against <I>Alternaria alternata</I> Causing Leaf Spot of Poplars in Himachal Pradesh. Indian Forester, 125(8), 784–787. https://doi.org/10.36808/if/1999/v125i8/5598