1. ASTM, Standard Test Method E1885-04 in Standard Test Method for Sensory Analysis—Triangle Test, 2004, ASTM International, West Conshohocken, PA.
2. ASTM E3009-15, Standard Test Method for Sensory Analysis—Tetrad Test, 2015, ASTM International, West Conshohocken, PA. www.astm.org.
3. Variance of d′ for the tetrad test and comparisons with other forced-choice methods;Bi;Journal of Sensory Studies,2013
4. Recognition assessed by rating and ranking;Brown;British Journal of Psychology,1974
5. Comparison of triangle and tetrad discrimination methodology in an applied manner;Burns;Food Quality and Preference,2018