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A light wave of artificial mercury as the ultimate standard of length. : Meggers, W.F.J.: Opt. Sot. Amer. 38, 7-14 (1948).
W. RollwagenVolume:
3
Year:
1949
Language:
german
DOI:
10.1016/0371-1951(49)80035-x
File:
PDF, 80 KB
german, 1949