TY - GEN AU - Pöppel,E AU - Harvey,L O TI - Light-difference threshold and subjective brightness in the periphery of the visual field SN - 0033-3026 PY - 1974///0307 KW - Humans KW - Light KW - Visual Fields N1 - Publication Type: Journal Article UR - https://doi.org/10.1007/BF00424967 ER -