TY - RPRT TI - Ab initio phase determination for spherical viruses: parameter determination for spherical-shell models. AU - M S Chapman AU - J Tsao AU - M G Rossmann PY - 1992 DO - 10.1107/s0108767391013211 UR - https://pubmed.ncbi.nlm.nih.gov/1605933/ ID - 1605933 ER -