James P. M. Syvitski, Albert J. Kettner, Irina Overeem, Eric W. H. Hutton, Mark T. Hannon, G. Robert Brakenridge, John Day, Charles Vörösmarty, Yoshiki Saito, Liviu Giosan, Robert J. Nicholls,
Sinking deltas due to human activities Nature Geoscience. ,vol. 2, pp. 681- 686 ,(2009) ,
10.1038/NGEO629