Sassa, K., & Canuti, P. (2009). Landslides Disaster Risk Reduction. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-69970-5

Sassa, Kyoji, and Paolo Canuti. Landslides Disaster Risk Reduction. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. https://doi.org/10.1007/978-3-540-69970-5.

Sassa, Kyoji, and Paolo Canuti. Landslides Disaster Risk Reduction. Springer Berlin Heidelberg, 2009. https://doi.org/10.1007/978-3-540-69970-5.