M. A. Dar, S. Nautiyal, M. Bakshi, and S. Razvi, “Seed Source Variation in Chlorophyll Contents of Leaves of <I>Acacia nilotica</I> (Linn.) Willd. Ex Del ssp. <I>Indica</I> (Benth.) Brenan (Babul) Under Different Water Stress Conditions”, Indian Forester, vol. 136, no. 2, pp. 148–157, Feb. 2010.