1. Advanced oxygen treatment of coastal municipal sewage;Eastman;Wat Sci Techn,1983
2. Upgrading wastewater treatment plants with economical on-site oxygen supply;Dilabio;Pulp & Paper Canada,1997
3. Hay, L. and Vigor, X., 1992, Procédé de séparation par adsorption et adsorbeur, Demande de Brevet Europeen, No 0 480 797 A1.
4. Monereau, Ch., Petrie, W., Barbe, Ch., Eclancher, M. and Vigor, X., 1996, Procédé de troitement d’un mélange gazeux par adsorption á variation depression, Demande de Brevet Europeen.No EP0689862Al.
5. Girard, A. K. and Schaub, H. R., 1996, Simultaneous step pressure swing adsorption process. European Patent Application, No EP 0 699 467 A2.