Vertical Reference Systems: IAG Symposium Cartagena, Colombia, February 20–23, 2001 International Association of Geodesy Symposia, nr. 124 Editat de Hermann Drewes et al. 9 dec 2010 Paperback Preț: 1177.92 lei 1436.50 lei 6-8 săpt. -18%
Geodetic Reference Frames Editat de Hermann Drewes 4 dec 2014 Paperback Preț: 866.71 lei 1140.41 lei 39-44 zile -24%
Towards an Integrated Global Geodetic Observing System (IGGOS) Editat de Reinhard Rummel et al. 30 sep 2011 Paperback Preț: 620.51 lei 775.63 lei 39-44 zile -20%