1. Spanish National Institute for Occupational Health and Safety and the Spanish Ministry of Labour and Immigration. Informes estadísticos sobre siniestralidad laboral 2007–2008–2009 [Statistics on workplace accidents 2007–2008–2009]. Available from: 〈http://www.oect.es/portal/site/Observatorio/〉 [in Spanish].
2. Ley 32/2006, de 18 de octubre, reguladora de la subcontratación en el Sector de la Construcción [Law 32/2006 regulating subcontracting in the construction sector]. Official State Bulletin (BOE), 19 October 2006; 250. p. 36317–23 [in Spanish].
3. Real Decreto 1109/2007, de 24 de agosto, por el que se desarrolla la Ley 32/2006, de 18 de octubre, reguladora de la subcontratación en el Sector de la Construcción [Royal Decree 1109/2007 deploying Law 32/2006 regulating subcontracting in the construction sector]. Official State Bulletin (BOE), 25 August 2007; 204. p. 35747–35764 [in Spanish].
4. Analysis of fatalities and injuries involving mining equipment;Groves;Journal of Safety Research,2007
5. Evaluation of occupational safety and health in surface mines;Ural;Safety Science,2008