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PHYSREVLETT.61.1446
PHYSREVLETT.61.1446
http://dx.doi.org/10.1103/PHYSREVLETT.61.1446
Wormholes, Time Machines, and the Weak Energy Condition
P356
Q27339285-87683D70-27F7-44D4-9E8B-33638646E17F
P356
PHYSREVLETT.61.1446
http://dx.doi.org/10.1103/PHYSREVLETT.61.1446