1. Aerts, R., Berendse, F. 1988. The effect of increased nutrient availability on vegetation dynamics in wet heathlands. Vegetatio 76: 63–69.
2. Aerts, R., Berendse, F., De Caluwe, H., Schmitz, M. 1990. Competition in heathland along an experimental gradient of nutrient availability. Oikos 57: 310–318.
3. Anderson, A.N., Ashton, D.H. 1985. Rates of removal by ants at heath and woodland sites in south-east Australia. Aust. J. Ecol. 10: 381–390.
4. Ballester, A., Vieitez, E., Mantilla, J.L.G. 1975. Chemical substances inhibiting growth and germination present in Ericaceae. Anal. Inst. Bot. Cavanilles 32 (1): 235–243.
5. Bannister, P. 1964a. The water relations of certain heath plants with reference to their ecological amplitude. 2 Field studies. J. Ecol. 52: 481–497.