Widisinghe, Sankha, and Sivakugan, Nagaratnam (2016) Vertical stress isobars for silos and square backfilled mine stopes. International Journal of Geomechanics, 16 (2). 06015003.

Widisinghe, Sankha, and Sivakugan, Nagaratnam (2014) Vertical stresses within granular materials in containments. International Journal of Geotechnical Engineering, 8 (4). pp. 431-435.

Widisinghe, S.D., Sivakugan, N., and Wang, V.Z. (2014) Loads on barricades in hydraulically backfilled underground mine stopes. In: Proceedings of the 11th International Symposium on Mining with Backfill. pp. 123-134. From: Mine Fill 2014: 11th International Symposium on Mining with Backfill, 20-22 May 2014, Perth, WA, Australia.

Sivakugan, Nagaratnam, Widisinghe, Sankha, and Wang, Vincent Z. (2014) Vertical stress determination within backfilled mine stopes. International Journal of Geomechanics, 14 (5). 06014011-1. pp. 1-5.

Widisinghe, Sankha, and Sivakugan, Nagaratnam (2014) Vertical stress isobars for trenches and mine stopes containing granular backfills. International Journal of Geomechanics, 14 (2). pp. 313-318.

Widisinghe, Sankha Darshanath (2014) Stress developments within a backfilled mine stope and the lateral loading on the barricade. PhD thesis, James Cook University.

Widisinghe, Sankha, Sivakugan, Nagaratnam, and Wang, Vincent Z. (2013) Laboratory investigations of arching in backfilled mine stopes. In: 2013 Geotechnical Society of Singapore (GeoSS). pp. 741-746. From: 18th Southeast Asian Geotechnical Conference Cum Inaugural Agssea Conference, 29-31 May 2013, Singapore.

Sivakugan, Nagaratnam, and Widisinghe, Sankha (2013) Stresses within granular materials contained between vertical walls. Indian Geotechnical Journal, 43 (1). pp. 30-38.

Widisinghe, Sankha, and Sivakugan, Nagaratnam (2012) Vertical stresses within granular materials in silos. In: ANZ 2012 Conference Proceedings. pp. 590-595. From: Ground Engineering in a Changing World: 11th Australia - New Zealand Conference on Geomechanics, 15-18 July 2012, Melbourne, Australia.