TY - RPRT TI - Perceptual categorization: a parallel between perceptual identification and serial learning. AU - R L Houck AU - R B Mefferd PY - 1971 DO - 10.2466/pms.1971.32.2.578 UR - https://pubmed.ncbi.nlm.nih.gov/5089087/ ID - 5089087 ER -