@article{27292, author = "GPS campaign 97 (EUVN'97) presented at the EUREF Symposium, June 10 - 12, 1998, Bad Neuenahr - Ahrweiler, Germany", title = "Report on the results of the EUROPEAN Vertical Reference Network : GPS campaign 97 (EUVN'97) presented at the EUREF Symposium, June 10 - 12, 1998 Bad Neuenahr - Ahrweiler, Germany ", year = "1998", note = "Předml. Erich Gubler, Wolfgang Schlüter ; IAG Subcommiss. for Europe (EUREF) ; EUVN. - Lit. - Abstr.- 1 sv.", }