Note on a change, by the u. s. coast and geodetic survey, in precise leveling methods William Bowie OriginalPaper Pages: 98 - 100
Provisional result of the work of the international latitude service in the north parallel + 39° 8° during the year 1928 Hisashi Kimura OriginalPaper Pages: 106 - 112
IV. - Chronique internationale union géodésique et géophysique internationale OriginalPaper Pages: 130 - 149