Heinze, W. Dead patents walking. IEEE spectrum.
Chicago Style aipamenaHeinze, W.F. "Dead Patents Walking." IEEE Spectrum .
MLA aipamenaHeinze, W.F. "Dead Patents Walking." IEEE Spectrum, .
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Heinze, W. Dead patents walking. IEEE spectrum.
Chicago Style aipamenaHeinze, W.F. "Dead Patents Walking." IEEE Spectrum .
MLA aipamenaHeinze, W.F. "Dead Patents Walking." IEEE Spectrum, .