TY - RPRT TI - Inhibitory processes underlying the directional specificity of simple, complex and hypercomplex cells in the cat's visual cortex. AU - A M Sillito PY - 1977 DO - 10.1113/jphysiol.1977.sp012021 UR - https://pubmed.ncbi.nlm.nih.gov/926020/ ID - 926020 ER -