1. Informe preliminar sobre las masas maximas en carga de los tractores agricolas en relacion con los ensayos de las estructuras de proteccion (Preliminary information about maximum agricultural tractor masses related to ROPS tests);AGR/CA/T,2007
2. Sistematización de diseño de ROPS por elementos finitos y optimización de sus códigos de homologación de la OECD (ROPS design Standardization using finite elements and optimization of its corresponding OECD homologation tests);Alfaro,2008
3. Assessing the safety provided by SAE J2194 Standard and Code 4 Standard code for testing ROPS, using finite element analysis;Alfaro;Biosystems Engineering,2010
4. A proposal to improve the SAE standard and OECD code 4 standard code for testing ROPS;Arana;Transactions of the ASABE,2011
5. Analysis of tractor-related deaths in North Carolina from 1979 to 1988;Bernhardt;The Journal of Rural Health,1999