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