TY - RPRT TI - A stimulus artefact undermines the evidence for independent ON and OFF channels in stereopsis AU - Read, J. C. A. AU - Cumming, B. G. PY - 2018 DO - 10.1101/295618 UR - https://www.biorxiv.org/content/10.1101/295618v1 ID - 10.1101/295618 ER -