1. Armstrong W 1979 Aeration in higher plants. In Advances in Botanical Research. Ed. H W Woolhouse. pp 225?332. Academic Press, London.
2. Armstrong W 1982 Waterlogged soils. In Environment and Plant Ecology. Ed. J R Etherington. pp 290?330. Wiley, Chichester.
3. Armstrong W and Boatman D J 1967 Some field observations relating the growth of bog plants to conditions of soil aeration. J. Ecol. 55, 101?110.
4. Bartlett R J 1961 Iron oxidation proximate to plant roots. Soil Sci. 92, 372?379.
5. Crawford R M 1982 Root survival in flooded soil. In Mires; Swamp, Bog, Fen and Moor: General Studies Ecosystem of the World. Ed. A J PGore. pp 257?283. Elsevier, Amsterdam.