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Desarrollo del carbón en Costa Rica : planes y programas
Dobles M., Roberto, (1988)
Coal transport infrastructure
(1984)
Moving coal : a study of transport systems by the Coal Industry Advisory Board
(1985)
Comment on Briskin's note
Woolsey, Gene, (1971)
The fifth column : the diamond pins, or $800, 000, 000 and still counting
Woolsey, Robert E. D., (2010)
The fifth column : using operations research to model a way to (successfully!) teach humanities to engineers and scientists in such a way as to inspire cultural breadth and lifelong learning
Woolsey, Robert E. D., (2011)