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1مؤتمر
المؤلفون: Prevedelli, M., Walls, F.L., Beaton, S.P.
المصدر: 44th Annual Symposium on Frequency Control
الإتاحة: https://doi.org/10.1109/freq.1990.177544Test
http://xplorestaging.ieee.org/ielx2/117/4483/00177544.pdf?arnumber=177544Test -
2مؤتمر
المؤلفون: Prevedelli, M., Walls, F.L., Beaton, S.P.
المصدر: 44th Annual Symposium on Frequency Control; 1990, p555-558, 4p
