Phoenix GK, Booth RE, Leake JR, Read DJ, Grime JP, Lee JA. Effects of enhanced nitrogen deposition and phosphorus limitation on nitrogen budgets of semi-natural grasslands. Global Change Biology. 2003  ;9:1309-1321.

Carroll JA, Caporn SJM, Cawley L, Read DJ, Lee JA. The effect of increased deposition of atmospheric N on Cv in upland Britain. . New Phytol. 1999  ;141:423-431.

Carroll JA, Caporn SJM, Morecrof MD, Lee JA, Johnson D, Taylor A, Leake JR, Campbell CD, Cawley L, Lei Y, et al. Natural vegetation responses to atmospheric nitrogen deposition - critical levels and loads of nitrogen for vegetation growing on contrasting native soils. Sheneld: University of Sheneld; 1997.

Caporn SJM, Song W, Read DJ, Lee JA. The effect of repeated N fertlization on mye infection in heather (Calluna vulgaris (L) Hull). New Phytol. 1995  ;129:605-609.

Caporn SJM, Carroll J, Lei Y, Song W, Read DJ, Lee JA, Battarbee (E)RW. Acid Rain and its Impact: The Critical Loads Debate. In: London: Environmental Change Research Centre/ENSIS; 1994. pp. 146-150.