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2006
Sivakumar, K.; Johnsingh, A.J.T.; Sankar, K.; Adhikari, B.S.; Pandav, B.; Singh, P.; Vasudevan, K.; Krishnan, P. (2006) Mid-winter waterfowls census around River Ganges, Uttarakhand State, India. The Indian Forester. 132: 173-176.