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The output contributions of computer equipment and personnel : a firm-level analysis
Lichtenberg, Frank R., (1993)
The Output Contributions of Computer Equipment and Personnel : A Firm- Level Analysis
Lichtenberg, Frank R., (2021)
US government subsidies to private military R&D investment : the Defense Department's independent R&D policy
Lichtenberg, Frank R., (1990)
[Rezension von: Nickell, S., The performance of companies]
Lichtenberg, Frank R., (1996)
Benefits and costs of newer drugs : an update
Lichtenberg, Frank R., (2002)