Agarwal, A. and Narain, S.1990: Towards green villages: a strategy for environmentally sound and participatory rural development. New Delhi: Centre for Science and Environment.
2.
Brackley, P., editor, 1990: World guide to environmental issues and organisations. Harlow: Longman.
3.
Cosby, B.J., Hornbeger, G.M., Galloway, J.N. and Wright, R.F.1985: Modelling the effects of acid deposition: assessment of a lumped-parameter model of soil water and streamwater chemistry. Water Resources Research21, 51-63.
4.
Curran, J.C. and Robertson, M.1991: Water quality implications of an observed trend of rainfall and runoff. Institute of Water and EnvironmentalManagement5, 419-24.
5.
Houghton, J.1990: Scientific assessment of climatic change. Geneva: IPCCWMO/UNEP.
6.
Jenkins, A., Cosby, B.J., Ferrier, R.C., Walker, T.A.B. and Miller, J.D.1990a: Modelling stream acidification in afforested catchments: an assessment of the relative effects of acid deposition and afforestation. Journal ofHydrology120, 163-81.
7.
Jenkins, A., Whitehead, P.G., Cosby, B.J. and Birks, H.J.B.1990b: Modelling long-term acidification: a comparison with diatom reconstructions and implications for reversibility. Philosophical Transactions ofThe Royal Society, London, B 327, 435-40.
8.
Kay, D. and McDonald, A.T.1991: Water quality issues. Applied Geography11, 171-78.
9.
Kwadijk, J.C.J.1991: Sensitivity of the River Rhine discharge to environmental change, a first tentative assessment. Earth Surface Processes and Landforms16, 627-37.
10.
McIntyre, A.1990: Marine pollution. In Brackley, P., editor, World guide to environmental issues and organisations, Harlow: Longman , 94-105.
11.
McNeely, J.1990: The loss of biological diversity. In Brackley, P., editor, World guide to environmental issues and organisations, Harlow: Longman, 79-92.
12.
Robson, A., Jenkins, A. and Neal, C.1991: Towards predicting future episodic changes in stream chemistry. Journal ofHydrology125, 161-74.
13.
Sattaur, O.1990: The green solution for India's poor. New Scientist1734, 28-29.
14.
Walker, B.W.1990: Land degradation and desertification. In Brackley, P., editor, World guide to environmental issues and organisations, Harlow: Longman, 66-78.
15.
Warrick, R.A., Barrow, E.M. and Wigley, T.M.L.1990: The greenhouse effect and its implication for the European Community. Commission of European Communities.