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    RAILROAD SIGNALING AND COMMUNICATION SYSTEM USING A FAIL-SAFE VOLTAGE SENSOR TO VERIFY TRACKSIDE CONDITIONS IN SAFETY-CRITICAL RAILROAD APPLICATIONS

    Freier Zugriff
    PRETORIUS FRANCOIS / HILL DAVID L / WISNIEWSKI CHARLES A et al. | Europäisches Patentamt | 2016

    Stabilising Sand Dunes by Revegetation - The Role of Introduced Nitrogen-fixing plants

    Ede, F. J. / Gadgil, R. L. / Douglas, G. B. et al. | British Library Conference Proceedings | 1997

      Stabilising Sand Dunes by Revegetation - The Role of Introduced Nitrogen-fixing plants

      Ede, F. J. / Gadgil, R. L. / Douglas, G. B. et al. | British Library Conference Proceedings | 1997