Dvorak's inside track to DOS and PC performanceJohn Dvorak, John C. Dvorak · First published 1992Open the Tome
Guide to D.O.S. and P.C. PerformanceJohn Dvorak · First published 1990 · Latest edition 1991Open the Tome
The mechanisms of recent vertical crustal movements in Campi Flegrei caldera, southern ItalyJohn Dvorak · First published 1991Open the Tome
Global Positioning System Measurements on the Island of Hawaii from 1987 to 1990 (U.S. Geological Survey Bulletin : 2092)John DvorakOpen the Tome