TY - RPRT TI - Colorimetric purity discrimination: data and theory. AU - T Yeh AU - V C Smith AU - J Pokorny PY - 1993 DO - 10.1016/0042-6989(93)90175-v UR - https://pubmed.ncbi.nlm.nih.gov/8266640/ ID - 8266640 ER -