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Firbank LG, Petit S, Smart S, Blain A, Fuller RJ.Firbank LG, et al. Among authors: petit s.Philos Trans R Soc Lond B Biol Sci. 2008 Feb 27;363(1492):777-87. doi: 10.1098/rstb.2007.2183.Philos Trans R Soc Lond B Biol Sci. 2008.PMID: 17785274Free PMC article.Review.
Haines-Young R, Barr CJ, Firbank LG, Furse M, Howard DC, McGowan G, Petit S, Smart SM, Watkins JW.Haines-Young R, et al. Among authors: petit s.J Environ Manage. 2003 Mar;67(3):267-81. doi: 10.1016/s0301-4797(02)00179-2.J Environ Manage. 2003.PMID: 12667476
Petit S, Stuart RC, Gillespie MK, Barr CJ.Petit S, et al.J Environ Manage. 2003 Mar;67(3):229-38. doi: 10.1016/s0301-4797(02)00176-7.J Environ Manage. 2003.PMID: 12667473