Plant health surveys for the EU territory: an analysis of data quality and methodologies and the resulting uncertainties for pest risk assessment (PERSEUS) CFP/EFSA/PLH/2010/01. Issue 10 (28th October 2014) - Bell, Howard; Wakefield, Maureen; Macarthur, Roy; Stein, Jonathan; Collins, Debbie; Hart, Andy; Roques, Alain; Augustin, Sylvie; Yart, Annie; Péré, Christelle; Schrader, Gritta; Wendt, Claudia; et al.