TY - RPRT TI - Solving the phase problem with multiple-beam diffraction and elliptically polarized x rays. AU - Q Shen AU - KD Finkelstein PY - 1990 DO - 10.1103/physrevlett.65.3337 UR - https://pubmed.ncbi.nlm.nih.gov/10042843/ ID - 10042843 ER -