The geoid in South America refered [sic] to various reference systems.
Series: Instituto Panamericano de Geografia e Historia. Comision de Cartografia. Publicación no. 325. 1; Publicación (Pan American Institute of Geography and History) ;; no. 325.1.
Publisher: Instituto Panamericano de Geografia e Historia
Published: 1970
Place of publication: Buenos Aires
Language: eng
Number of pages: 39
Subjects: Geodesy -- South America.; Earth -- Figure.
Notes: Bibliography: p. 38-39.