TY - RPRT TI - Direct methods with single isomorphous replacement data. I. Reduction of systematic errors. AU - W Furey AU - K Chandrasekhar AU - F Dyda AU - M Sax PY - 1990 DO - 10.1107/s0108767390003178 UR - https://pubmed.ncbi.nlm.nih.gov/2206481/ ID - 2206481 ER -