World mineral explorationJohn E. Tilton, Roderick G. Eggert, Hans H. Landsberg · First published 1988Open the Tome
Competitiveness in metalsMerton J. Peck, Hans H. Landsberg, John E. Tilton · First published 1992Open the Tome
Semiconductors and the worldwide spread of technologyJohn E. Tilton · First published 1971Open the Tome