1. Baum RL, Godt JW (2010) Early warning of rainfall-induced shallow landslides and debris flows in the USA. Landslides 7:259–272. https://doi.org/10.1007/s10346-009-0177-0
2. Blikra LH, Jogerud K, Hole J, Bergeng T (2007) Åknes/Tafjord prosjektet—status og framdrift for overvåking og beredskap. Report 01–2007. www.aknes-tafjord.no, 30p
3. Calvello M, d’Orsi RN, Piciullo L, Paes N, Magalhaes MA, Lacerda WA (2015) The Rio de Janeiro early warning system for rainfall-induced landslides: analysis of performance for the years 2010–2013. Int J Disast Risk Reduc 12:3–15. https://doi.org/10.1016/j.ijdrr.2014.10.005
4. CEDD (2014) When hillside collapse: a century of landslides in Hong Kong. Civil Engineering and Development Department, HKSAR Government, 2nd edn
5. Chan RKS, Pang PLR, Pun WK (2003) Recent developments in the landslip warning system in Hong Kong. Proceedings of the 14th Southeast Asian Geotechnical Conference. Balkema, Lisse, The Netherlands, pp 137–151