1. An Investigation of the Therac-25 Accidents;Leveson;Computer,1993
2. Malfunction 54: Unraveling Deadly Medical Mystery of Computerized Accelerator Gone Awry;Joyce;American Medical News,1986
3. Softawre Flaw Known before Radiation Killed Two;Joyce;American Medical News,1987
4. Accelerator Linked to Fifth Radiation Overdose;Joyce;American Medical News,1987
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