Pioneering research on C<sub>4</sub> leaf anatomical, physiological, and agronomic characteristics of tropical monocot and dicot plant species: Implications for crop water relations and productivity in comparison to C<sub>3</sub> cropping systems.Published in:Photosynthetica, 2009, v. 47, n. 2, p. 163, doi. 10.1007/s11099-009-0030-7By:M. El-SharkawyPublication type:Article