Felszeichnungen im mittleren und unteren Jequetepeque-Tal, Nord-PeruVictor PimentelEsaurito4,3Avvisami
Präzisionsschwerenetze und zeitliche Schwereänderungen in West-VenezuelaHermann DrewesEsaurito4,3Avvisami
Seminar Mathematical Models of Geodetic, Photogrammetric Point Determination with Regard to Outliers and Systematic ErrorsFriedrich E. AckermannEsaurito4,3Avvisami
Report on the symposium of the IAG Subcommission for the European Reference Frame (EUREF)AA.VV.Esaurito4,3Avvisami
National report of the Federal Republic of Germany on the geodetic activitiesAA.VV.Esaurito4,3Avvisami
Report on the symposium of the IAG Subcommission for the European Reference Frame (EUREF)AA.VV.Esaurito4,3Avvisami