D. Sen Singh, Gupta, A. K., Sangode, S. J., Clemens, S. C., Prakasam, M., Srivastava, P., and Prajapati, S. K.,
“Multiproxy record of monsoon variability from the Ganga Plain during 400–1200 A.D”,
Updated Quaternary Climatic Research in parts of the Third Pole Selected papers from the HOPE-2013 conference, Nainital, India, vol. 371, pp. 157-163, 2015.
A. K. Gupta, Sarkar, S., De, S., Clemens, S. C., and Velu, A.,
“Mid-Brunhes strengthening of the Indian Ocean Dipole caused increased equatorial East African and decreased Australasian rainfall”,
Geophysical Research Letters, vol. 37, pp. L06706-L06706, 2010.