TY - RPRT TI - Expression for aberration coefficients using nonlinear transforms--extension to spherocylindrical surfaces. AU - A Lakshminarayanan AU - S Varadharajan PY - 2000 DO - 10.1097/00006324-200003000-00015 UR - https://pubmed.ncbi.nlm.nih.gov/10772233/ ID - 10772233 ER -