- "New approach for the estimation of the residual friction angle based on the mineralogical composition and index properties", Marui H., Tiwari B, Landslides : Evaluation and Stabilization, Proceedings of the 9h International Symposium on Landslides, Rio de Janeiro, Brazil, Vol.1, pp.735 - 741(2004)
- "Long-term stability of the landslides along mudstone dominated are having NaCl type pore Water. Landslides : Evaluation and Stabilization", Tuladhar G. R., Marui H., Tiwari B., Proceedings of the 9h International Symposium on Landslides, Rio de Janeiro, Brazil, Vol.1, pp.649 - 654(2004)
- "Zerstrung und Bildung der Seichte- Tiefe Strukturen in einem Wildfluss", Marui H., Iwasaki S., Proceedings of International Symposium INTERPRAEVENT2004-Riva Del Garda / Trient, Italy, Band 1, pp.195 - 206(2004)
- "Influence of Sodium Chloride on Index Properties and Residual Shear Strength of Natural Soil and Pure Minerals", G. R. Tuladhar, H. Marui, B. Tiwari, Advances in geotechnical engineering, Proceedings of the Skempton conference, Vol.1, pp.667 - 675(2004)
- "Relationship between Clay Mineralogy and Residual Shear Strength Through the Model Based on Shearing Mechanism of Soil.", H. Marui, B. Tiwari, Advances in geotechnical engineering, Proceedings of the Skempton conference, Vol.1, pp.522 - 534(2004)
- "Landslide susceptibility mapping using a semi-quantitative approach, a case study from Kakuda-Yahiko Mountains, Niigata, Japan.", L. Ayalew, H. Yamagishi, N. Watanabe, H. Marui, Proceedings of the 4th Asian Symposium on Engineering Geology and the Environment, Hong Kong, China, pp.99 - 105(2004)
- "Estimation of the Sequence and size of the Tozawagawa Landslide, Niigata, Japan, Using Aerial Photographs", H. Yamagishi, H. Marui, L. Ayalew, T Sekiguchi, T. Horimatsu, M. Hatamoto, Landslides, Vol.1, pp.299 - 303(2004)
- "Objective Oriented Multistage Ring Shear Test for Shear Strength of Landslide Soil", Tiwari B., Marui H, Journal of Geotechnical and Geoenvironmental Engineering,, pp.217 - 222(2004)
- "Effect of Sodium Chloride Concentration on Slope Stability of Pre-existing Landslide", Tuladhar G. R., Marui H., Tiwari B., Proceedings of the International Conference on Slope Engineering, 8-10 December 2003, Hong Kong, China, Vol.I, pp.503 - 508(2003)
- ".A New Approach of Stability Analysis for Pre-existing Landslides : Using Movement Data, Stress-displacement Characteristics of Sliding Surface Soil and GIS Analysis Tool.", Tiwari B., Marui H. , Bhattarai P., Proceedings of the International Conference on Slope Engineering, 8-10 December 2003, Hong Kong, China, Vol.II, pp.636 - 641(2003)