1. Potential hazards of clock synchronization errors Publication: [Harrisburg, Pa.] : Pennsylvania Patient Safety Authority, c2012 Subject(s): Medical Errors -- prevention & controlTimeTime ManagementHumansPennsylvaniaUnited States
2. The time machine [by] H.G. Wells Publication: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009 Subject(s): TimeSpacecraftExpeditionsBooksForecasting
