Biblio

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Journal Article
Sheppard L.J, Leith I.D, Crossley A., van Dijk N., Fowler D., Sutton M.A, Woods C..  2008.  Stress responses of Calluna vulgaris to reduced and oxidised N applied under 'real world conditions'. Environmental Pollution. 154(3):404-413.
Carfrae J.A, Sheppard L.J, Raven J.A, Leith I.D, Stein W., Crossley A., Theobald M..  2005.  Early effects of atmospheric ammonia deposition on Calluna vulgaris (L.) hull growing on an ombrotrophic peat bog. Water, Air and Soil Pollution: Focus. 4(6):229-239.
Skinner R., Ineson P., Hicks W.K, Jones H.E, Sleep D., Leith I.D, Sheppard L.J.  2005.  Correlating the spatial distribution of atmospheric ammonia with δ15n values at an ammonia release site. Water, Air and Soil Pollution: Focus. 4(6):219-228.
Jones M.R, Leith I.D, Raven J.A, Fowler D., Sutton M.A, Nemitz E., Cape J.N, Sheppard L.J, Smith R.I.  2007.  Concentration-dependent NH3 deposition processes for moorland plant species with and without stomata. Atmospheric Environment. 41(39):8980-8994.
Jones M.R, Leith I.D, Fowler D., Raven J.A, Sutton M.A, Nemitz E., Cape J.N, Sheppard L.J, Smith R.I, Theobald M.R.  2007.  Concentration-dependent NH3 deposition processes for mixed moorland semi-natural vegetation. Atmospheric Environment. 41(10):2049-2061.
Leith I.D, Pitcairn C.ER, Sheppard L.J, Hill P.W, Cape J.N, Fowler D., Tang S., Smith R.I, Parrington J.A.  2002.  A comparison of impacts of N deposition applied as NH3 or as NH4Cl on ombrotrophic mire vegetation. Special Edition Responses of Plant Metabolism to Air Pollution and Global Change. 42(3):83-88.