Vol. 31 No. 2 (2013): July-December

Articles

• Prelims

  Lucy Esther García Ramos

  i-vii

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• Pseudo-periodic surrogate data in speech signals to determine intrinsic dynamics

  Edilson Delgado-Trejos, Juan Sebastián Hurtado Jaramillo, Diego Luis Guarín López, Álvaro Ángel Orozco Gutiérrez

  185-201

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• Comparison between exact and approximated visco-elastic transfer functions for a resonant-column system

  Javier Fernando Camacho-Tauta

  202-226

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• Wireless sensor network for early warning monitoring in underground mines: a solution to the problem of explosive atmospheres in Colombian coal mining

  Jovani Alberto Jiménez Builes, Alvaro Romero Acero, Alejandro Marín Cano

  227-250

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• Influence of using star grass (Cynodon Plectostachyus) as bulking agent on municipal biowaste composting

  Edgar Ricardo Oviedo Ocaña, Martha Daza Torres, Luis Marmolejo Rebellón, Ángela Osorio Ortiz, Patricia Torres Lozada

  251-271

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• Attitudes and Beliefs of Intercultural Competence in online teachers

  Carmen Tulia Ricardo Barreto, Antonio Medina Rivilla

  272-290

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• Statistical design of control charts For autocorrelated data design Of control charts

  Rita Patricia Peñabaena, Óscar Oviedo-Trespalacios, Juan Guillermo Vásquez Cabeza, Laura Milena Fernández Cantillo

  291-315

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• The detection of pathologies from diabetic disease: a review of digital retinal image analysis

  Jorge Rudas, German Sánchez Torres

  316-338

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• Editorial Policy

  Lucy Esther García Ramos

  339-343

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