1. A review of analysis techniques for engineering survey control schemes;Alberda,1980
2. Optimization of geodetic networks;Allman;Surv. Rev.,1973
3. A straight presentation of the adjustment of so-called free geodetic networks;Alpár;Acta Geod. Geophys. Montan. Acad. Sci. Hung.,1978
4. Strength analysis of block VI of the European triangulation;Ashkenazi;Bull. Geod.,1972
5. Untersuchungen zum Aufbau geodatischer Lagenetze;Augath,1976