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Singh, S.K.; M. Ordaz; L. Alcantara; N. Shapiro; V. Kostoglodov; J. F. Pacheco; S. Alcocer; C. Gutierrez; R. Quaas; T. Mikumo; E. Ovando; J. Aguirre; D. Almora; J. G. Anderson; M. Ayala; C. Javier; G. Castro; R. Duran; G. Espitia; J. Estrada; E. Guevara; J. Lermo; B. Lopez; O. Lopez; M. Macias; E. Mena; M. Ortega; C. Perez; J. Perez; M. Romo; M. Ramirez; C. Reyes; R. Ruiz; H. Sandoval; M. Torres; E. Vazquez; R. Vazquez; J. M. Velasco & J. Ylizaturri (2000). "The Oaxaca earthquake of 30 September 1999 (MW = 7.5)"(PDF). Seismological Research Letters. 71 (1): 67–78. doi:10.1785/gssrl.71.1.67. Retrieved 20 March 2012.
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"Daña miles de casas" [Damaged thousands of homes]. Diario de Yucatán (in Spanish). Grupo Megamedia. 22 March 2012. Archived from the original on 25 March 2012. Retrieved 22 March 2012.