EN
It is shown that if G is a weakly amenable unimodular group then the Banach algebra $A_{p}^r(G) = A_{p} ∩ L^r(G)$, where $A_{p}(G)$ is the Figà-Talamanca-Herz Banach algebra of G, is a dual Banach space with the Radon-Nikodym property if 1 ≤ r ≤ max(p,p'). This does not hold if p = 2 and r > 2.