Vol. 31 No. 1-2 (1987)

Research Article

• TEST AND FATIGUE OF THE RAIL

  S. Kecskés

  3-50

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• PERMUTATIONS WITH A GIVEN NUMBER OF INVERSIONS

  Lajos Balcza

  51-54

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• LABORATORY INVESTIGATION ON THE DISTANCE METER UNIT IN ELECTRONIC TACHEOMETERS

  K. Szaládi, A. Krauter

  55-63

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