TY - RPRT TI - A method for multiple superposition of structures. AU - A Shapiro AU - J D Botha AU - A Pastore AU - A M Lesk PY - 1992 DO - 10.1107/s010876739100867x UR - https://pubmed.ncbi.nlm.nih.gov/1550663/ ID - 1550663 ER -