Measuring the long-run profitability of the firmTimo Salmi, Ilkka Virtanen · First published 1997Open the Tome
Deriving the internal rate of return from the accountant's rate of returnSalmi. Timo, Ilkka Virtanen · First published 1995Open the Tome
Cross-sectional properties and time-series persistence of financial ratio distributionIlkka Virtanen · First published 1989Open the Tome
Special Processors for Two Experimental Industrial Vision SystemsIlkka Virtanen · First published 1987Open the Tome
