TY - RPRT TI - Quantitative tests of a three-dimensional gray scale texture model. AU - J A Zagzebski AU - E L Madsen AU - M M Goodsitt PY - 1985 DO - 10.1177/016173468500700305 UR - https://pubmed.ncbi.nlm.nih.gov/3913099/ ID - 3913099 ER -