Raeppel, Stëphane; Raeppel, Franck; Claridge, Stephen William; Zhan, Lijie; Gaudette, Frëdëric; Mannion, Michael; Sato, Norifumi; Yuki, Yohei; Kishida, Masashi; Vaisburg, Arkadii Patent: US2011/257100 A1, 2011 ; US 20110257100 A1