1.TheByzantineGeneralsProblem(1982)byLeslieLamport,RobertShostakandMarshallPease 2.GoTostatementsconsideredharmfull(1968)-byEdsgerW.Dijkstra 3.ANoteonDistributedComputing(1994)-bySamuelC.Kendall,JimWaldo,AnnWollrathandGeoffWyant 4.BigBallofMud(1999)-B