Gangoo, S.A. et al. 2011. Study of Variability in the Cultivated Clones of <I>Populus nigra</I> Linn. (Black Poplar) of Kashmir Valley. Indian Forester. 137, 6 (Jun. 2011), 704–717. DOI:https://doi.org/10.36808/if/2011/v137i6/12365.