The revenge of the Patterson methods. II. Substructure applications. - Burla, Maria Cristina; Caliandro, Rocco; Carrozzini, Benedetta; Cascarano, Giovanni Luca; De Caro, Liberato; Giacovazzo, Carmelo; Polidori, Giampiero; Siliqi, Dritan (Journal of Applied Crystallography, 2007)