@article{24829, author = "Symposium on Problems Related to the Redefinition of North American Geodetic Networks. Arlington, Virginia April 24 to 28 1978", title = "Proceedings Second Internetional Symposium on Problems Related to the Redefinition of North American Geodetic Networks. Arlington, Virginia April 24 to 28 1978 ", year = "1979", note = "Tb. a obr. v textu., 1 sv.", }