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[Lecture Notes in Physics] Gravitational Lensing Volume 360 || The time delay of Q0957-+-561 A,B from 10 years of optical monitoring
Mellier, Yannick, Fort, Bernard, Soucail, GenevièveVolume:
10.1007/BF
Year:
1990
Language:
english
DOI:
10.1007/bfb0009241
File:
PDF, 276 KB
english, 1990