TY - RPRT TI - Refractive state, contrast sensitivity, and resolution in the freshwater turtle, Pseudemys scripta elegans, determined by tectal visual-evoked potentials. AU - D P Northmore AU - A M Granda PY - 1991 DO - 10.1017/s0952523800010403 UR - https://pubmed.ncbi.nlm.nih.gov/1772808/ ID - 1772808 ER -