Sheppard LJ, Leith ID, Mizunuma T, Leeson S, Kivimaki S, Cape JN, van Dijk N, Leaver D, Sutton MA, Fowler D, et al. Inertia in an ombrotrophic bog ecosystem in response to 9 years' realistic perturbation by wet deposition of nitrogen, separated by form. Global Change Biology. 2014  ;20(2):566-580.

L.J. S, Leith ID, Mizunuma T, Leeson S, Kivimaki S, Cape JN, van Dijk N, Leaver D, Sutton MA, Fowler D, et al. Inertia in an ombrotrophic bog ecosystem in response to nine years? realistic perturbation by wet deposition of nitrogen, separated by form. Global Change Biology. 2014  ;20(2):566-580.

Sheppard LJ, Leith ID, Mizunuma T, Leeson S, Kivimaki SK, Cape JN, van Dijk N, Leaver D, Sutton MA, Fowler D, et al. Inertia in an ombrotrophic bog ecosystem in response to nine years? realistic perturbation by wet deposition of nitrogen, separated by form. Global change Biology . 2013  .

Sheppard LJ, Leith ID, Mizunuma T, Cape JN, Crossley A, S. L, Sutton MA, Fowler D, van Dijk N. Dry deposition of ammonia gas drives species change faster than wet deposition of ammonium ions: evidence from a long-term field manipulation. Global Change Biology. 2011  ;17 (12):3589-3607.

Sheppard LJ, Leith ID, Crossley A, van Dijk N, Fowler D, Sutton MA, Woods C. Stress responses of Calluna vulgaris to reduced and oxidised N applied under real world conditions. Environmental Pollution. 2008  ;154 (3):404-413.

Sheppard LJ, Leith ID, Crossley A, van Dijk N, Fowler D, Sutton MA, Woods C. Stress responses of Calluna vulgaris to reduced and oxidised N applied under 'real world conditions'. Environmental Pollution. 2008  ;154:404-413.

Carfrae JA, Sheppard LJ, Raven JA, Leith ID, Crossley A. Potassium and phosphorus additions modify the response of Sphagnum capillifolium growing on a Scottish ombrotrophic bog to enhanced nitrogen deposition. Applied Geochemistry. 2007  ;22:1111?1121.

Sheppard LJ, Crossley A, Leith ID, Hargreaves KJ, Carfrae J, van Dijk N, Cape JN, Sleep D, Fowler D, Raven JA. An Automated Wet Deposition System to Compare the Effects of Reduced and Oxidised N on Ombrotrophic Bog Species: Practical Considerations. Water, Air and Soil Pollution: Focus. 2004  ;4 (6):197-205.

Sheppard LI, Leith ID, Crossley A. Effects of enhanced N deposition on Cladonia portentosa; results from a field manipulation study. Peterborough: English Nature; 2004 pp. 51-62.

Leith ID, Sheppard LJ, Fowler D, Cape JN, Jones MR, Crossley A, Hargreaves KJ, Tang YS, Theobald MR, Sutton MA. Quantifying dry  NH3 release system to ombrotrophic bog from an automated NH3 field release system. Water,  Air, and Soil Pollution: Focus. 2004  ;4:207-218.

Sheppard LJ, Crossley A, Harvey F, Parrington J, White CC. Early effects of acid mist on Sitka spruce planted on acid peat. Phyton (Horn Austria). 1998  ;39:1-25.

Skiba U, Sheppard LJ, Pitcairn CER, Leith ID, Crossley A, van Dijk S, Kennedy VJ, Fowler D. Soil nitrous oxide and nitric oxide emissions as indicators of the exceedance of critical loads of atmospheric nitrogen deposition in semi-natural ecosystems. Environmental Pollution. 1998  ;102(S1):457-461.

Crossley A, Sheppard LJ, Cape JN, Smith RI, Harvey F. Stem growth reductions in mature Sitka spruce trees exposed to acid mist. Environmental Pollution. 1997  ;96:185-193.

Crossley A, Fowler D. The Weathering of Scots Pine Epicuticular Wax in Polluted and Clean Air. New Phytologist. 1986  ;103:207-218.