1. Nasal, retronasal, and gustatory perception: An experimental comparison
2. M. CLIFF, 1987 . Temporal Perception of Sweetness and Fruitiness and their Interaction in Model System , MS Thesis , UC Davis.
3. W.G. COCHRAN, and G.M. COX, 1957 . Experimental Designs , p.472 , John Wiley & Sons, New York.