Kaul, O. N., & Srivastava, P. B. L. (1967). Nutrient Uptake of Fir (<I>Abies pindrow</I>) and Spruce (<I>Picea smithiana</I>). Indian Forester, 93(11), 749–753. https://doi.org/10.36808/if/1967/v93i11/25724