Suescún-Torres, J. H. (2007). Relations between the deposits means and the chemical trials in the Samacá Coal. Universidad Pedagógica y Tecnológica de Colombia - UPTC.
Chicagoスタイル(17版)引用形式Suescún-Torres, Jaime Humberto. Relations Between the Deposits Means and the Chemical Trials in the Samacá Coal. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2007.
MLA(9版)引用形式Suescún-Torres, Jaime Humberto. Relations Between the Deposits Means and the Chemical Trials in the Samacá Coal. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2007.
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