N. Ghabbour, Z. Lamzira, P. Thonart, P. Cidalia, M. Markaoui, and A. Asehraou, “Selection of oleuropein-degrading lactic acid bacteria strains isolated from fermenting Moroccan green olives”, Grasas aceites, vol. 62, no. 1, pp. 84–89, Mar. 2011.