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short communications
In a recent paper [Beurskens (1987). Acta Cryst. A43, 283-284] comments are made on a new method [Camalli, Giacovazzo & Spagna (1985). Acta Cryst. A41, 605-613] for recovering the complete from a partial structure. Comments by Beurskens dealing with similarities and differences between the proposed method and DIRDIF are wrong and have to be rejected.