01080nam0 2200253 450 00002329620090219143213.020090219d1986----km-y0itay50------baengUSa-------101yyProceedings of the Fourth International Geodetic Symposium on Satellite Positioningheld at the University of Texas at AustinApril 28 - May 2, 1986AustinUniversity of Texas19862 v.ill.30 cmProceedings of the Fourth International Geodetic Symposium on Satellite Positioning46411GeodesiaCongressi526.620Astronomia geodetica e posizionaleInternational Geodetic Symposium on Satellite Positioning<4. ;1986 ;Austin>633089ITUNIPARTHENOPE200900218RICAUNIMARC000023296S 526.6/11S C, 310DSA2009S 526.6/12S C, 310DSA2009Proceedings of the Fourth International Geodetic Symposium on Satellite Positioning46411UNIPARTHENOPE