A. K. Chakravarty and G. N. Bhati, “Selection of Grasses and Legumes for Pastures of the Arid and Semi-arid Zones. I. Variations of Morphological and Physiological Characters in the Different Strains of <I>Cenchrus setigerus</I> and Selection of a Promising Strain for forage Production”, Indian Forester, vol. 94, no. 9, pp. 667–674, Sep. 1968.