1. H.Z. Kister Distillation Design (McGraw-Hill, N.Y., 1992), S. 378
2. Ph.C. Wankat Equilibrium Staged Separations (Elsevier Science, N.Y., 1988), S. 383
3. W.L. Bolles “Optimum Bubble Cap Tray Design. Pet. Process. 11(2), 64; 11(3), 82; 11(4),72; 11(5), 109 (1956)
4. W.L. Bolles in Tray Hydraulics: Bubble- cap-Trays , ed. by B.D.Smith. Design of Equilibrium Stage Processes (McGraw-Hill, N.Y., 1963)
5. J.R. Fair in Tray Hydraulics: Perforated Trays, ed. by B.D. Smith. Design of Equilibrium Stage Processes (McGraw-Hill, N.Y., 1963)