1. ADB (2006) Energy efficiency and climate change considerations for on-road transport in Asia. Asian Development Bank, Manila
2. Adhya TK, Rath AK, Gupta PK, Rao VR, Das SN, Parida KM, Parashar DC, Sethunathan N (1994) Methane emission from flooded rice fields under irrigated conditions, Biol Fertil Soils 18:245–248
3. Aggarwal PK, Pathak H, Bhatia A, Kumar S (2003) Final report on inventory of nitrous oxide emission from agricultural soils, submitted by Winrock International India on behalf of Ministry of Environment and Forest, Government of India
4. Alexander M (1961) Introduction to soil microbiology. Wiley, New York, pp 227–244
5. ALGAS (1998) Asia least cost greenhouse gas abatement strategy project, country case study India. Asian Development Bank, Manila