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A measure of the economic impact of urban horizontal geodetic control surveys.

APA Citation

Johnson, P. Channell. (1972). A measure of the economic impact of urban horizontal geodetic control surveys. [Ithaca, N. Y.].

Johnson, Phillip Channell, 1941-. A Measure of the Economic Impact of Urban Horizontal Geodetic Control Surveys. [Ithaca, N. Y.], 1972.

Warning: These citations may not always be complete (especially for serials).