J. D. Perez

An experimental study on gasification of Colombian coal in fluidised bed

F. Chejne, Carlos Londoño, E. Arenas, 2003 .

The monitoring and prediction of mining subsidence in the Amaga, Angelopolis, Venecia and Bolombolo Regions, Antioquia, Colombia

J. D. Perez, L. Donnelly, H. D. Cruz, 2001 .