Bhatnagar, H. P., and K. K. Talwar. 1979. “Photoperiodic Response of Growth of <I>Pinus caribaea< I> Seedlings II. Effect on Fresh and Dry Matter, Mineral Uptake and Holocellulose Production”. Indian Forester 105 (9):664-76. https://doi.org/10.36808/if/1979/v105i9/11360.