Singh, N. B., Dinesh Kumar, G. S. Rawat, R. K. Gupta, K. Singh, and S. S. Negi. 2001. “Clonal Evaluation on Poplar (<I>Populus Deltoides Bartr.< I>) in Eastern Uttar Pradesh. II - Estimates of Genetic Parameters in Field Testing”. Indian Forester 127 (2):163-72. https://doi.org/10.36808/if/2001/v127i2/2771.