1 Ahmad, M. S.; Hasan, S. Z.; Umar, A. 1998. Aquifer system, ground water budget and water quality in Aligarh Muslim University, Campus, District, Aligarh (U.P.) In Khan, A. F. (Ed.), Water resource management: Thrust and challenges. New Delhi, India: Anmol Publications Pvt. Ltd. pp.169-182.
(Location: IWMI-HQ Call no: 333.91 G635 KHA Record No: H022558)
2 Agarwal, A.; Narain, S.; Sen, S. (Eds.) 1999. State of India's environment 5: The citizens' fifth report. Part I - National overview. New Delhi, India: Centre for Science and Environment. viii, 440p.