Jekeli, C. (1979). Global accuracy estimates of point and mean undulation differences obtained from gravity disturbances, gravity anomalies and potential coefficients. OSU.
Chicago-Zitierstil (17. Ausg.)Jekeli, Christopher. Global Accuracy Estimates of Point and Mean Undulation Differences Obtained from Gravity Disturbances, Gravity Anomalies and Potential Coefficients. Columbus, Ohio: OSU, 1979.
MLA-Zitierstil (9. Ausg.)Jekeli, Christopher. Global Accuracy Estimates of Point and Mean Undulation Differences Obtained from Gravity Disturbances, Gravity Anomalies and Potential Coefficients. OSU, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.