TY - GEN AU - Meinel,A B AU - Meinel,M P AU - Schulte,D H TI - Determination of the Hubble Space Telescope effective conic-constant error from direct image measurements SN - 1559-128X PY - 2012///1002 N1 - Publication Type: Journal Article UR - https://doi.org/10.1364/AO.32.001715 ER -