Brockmann, J. M., Schubert, T., Mayer-Gürr, T., & Schuh, W.-D. (2019). The Earth’s gravity field as seen by the GOCE satellite - an improved sixth release derived with the time-wise approach (GO_CONS_GCF_2_TIM_R6). GFZ Data Services. https://doi.org/10.5880/icgem.2019.003
Kvas, A., Mayer-Gürr, T., Krauss, S., Brockmann, J. M., Schubert, T., Schuh, W.-D., Pail, R., Gruber, T., Jäggi, A., & Meyer, U. (2019). The satellite-only gravity field model GOCO06s. GFZ Data Services. https://doi.org/10.5880/icgem.2019.002