APA (7th ed.) Citation

Höpfner, J. (2003). Low frequency variations, Chandler and annual wobbles of polar motion asobserved over one century. Geoforschungszentrum.

Chicago Style (17th ed.) Citation

Höpfner, Joachim. Low Frequency Variations, Chandler and Annual Wobbles of Polar Motion Asobserved over One Century. Potsdam: Geoforschungszentrum, 2003.

MLA (9th ed.) Citation

Höpfner, Joachim. Low Frequency Variations, Chandler and Annual Wobbles of Polar Motion Asobserved over One Century. Geoforschungszentrum, 2003.