TY - RPRT TI - Multigrid tomographic inversion with variable resolution data and image spaces. AU - Seungseok Oh AU - Charles A Bouman AU - Kevin J Webb PY - 2006 DO - 10.1109/tip.2006.877313 UR - https://pubmed.ncbi.nlm.nih.gov/16948324/ ID - 16948324 ER -