Remote Vision System for Dozers on Coal Stockpiles. - William H. Schiffbauer; Michael R. Yenchek; Timothy Lutz (IAS, 2007)

NIOSH-sponsored research in through-the-earth communications for mines-a status report-. - Michael R. Yenchek; Gerald T. Homce; Nicholas Damiano; Justin Srednicki (IAS, 2011)