Wani, S P and Singh, P and Dwivedi, R S and Navalgund, R R and Ramakrishna, A (2005) Biophysical indicators of agro-ecosystem services and methods for monitoring the impacts of NRM technologies at different scales. In: Natural resource management in agriculture: methods for assessing economic and environmental impacts. CAB International, Wallingford, Oxon, UK, pp. 97-124. ISBN 0-85199-828-3