Misra, K. K., Rai, P. N., & Jaiswal, H. R. (1996). Effect of Spacing and Plant Density on the Growth of Poplar (<I>Populus deltoides</I> Bartr. Ex Marsh). Indian Forester, 122(1), 65–68. https://doi.org/10.36808/if/1996/v122i1/6207