Sahrawat, K L and Padmaja, K V and Pathak, P and Wani, S P
(2005)
Measurable biophysical indicators for impact assessment: changes in water availability and quality.
In:
Natural resource management in agriculture: methods for assessing economic and environmental impacts.
CAB International Publishing, Wallingford Oxfordshire, UK, pp. 75-96.
ISBN 0-85199-828-3