Henri Lacombe The RANA Radionavigator: Characteristics, Testing and Operation of a Radionavigational Chain PDF
Walter Stanner Observation of Consol Signals at Great Distances with Special Emphasis on the so-called « Peiltakt » Phenomenon PDF
André Gougenheim Harmonic Analysis of a Short Period of Tidal Observations: Separation of two Constituents of approximately Equivalent Angular Velocity PDF
