since the arrival to power of President Calderón. These disappearances of political activists are not restricted to the EPR but also to many others independent activists. The government claims they are caused by narcotraffic gang disputes. See also Castellanos, L. (2007). México armado: 1943–1981. Epilogue and chronology by Alejandro Jiménez Martín del Campo. México: Biblioteca ERA. 383 pp. References External links Official web site of PDPR-EPR https://www.webcitation.org/query?url=http://www.geocities.com/pentagon/bunker/5061/&date=2009-10-26+00:27:08 Current communiques, articles http://www.cedema.org/uploads/Eperrista.pdf The most complete book about the EPR, in Spanish, by David Pavón Cuéllar and María Luisa Vega, with interviews, history... http://news.bbc.co.uk/2/hi/americas/6290222.stm Mexico rebels claim oil attacks http://www.nytimes.com/2007/07/12/world/americas/12mexico.html?_r=1&n=Top%2fNews%2fWorld%2fCountries%20and%20Territories%2fMexico&oref=slogin NY Times Analysis of the EPR's reactivation 1996 establishments in Mexico Chiapas Communism in Mexico Communist militant groups Guerrilla movements in Latin America Far-left politics in Mexico Indigenous peoples in Mexico Left-wing militant groups in Mexico Maoism in North America Maoist organizations Modern Mexico National liberation movements Rebel groups in Mexico