Frank Szmulowicz, Ph. D. Oct 3, 2014:

Every dataset has a coordinate system, which is used to integrate it with ... If two datasets are not referenced to the same geographic coordinate system, you may...
http://resources.esri.com/help/9.3/arcgisengine/dotnet/89b72...
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To describe a location uniquely, a coordinate set must be referenced to an ...
http://www.remotesensing.org/geotiff/spec/geotiff2.5.html
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System (ACS), is referenced to the North American Datum of 1983 (NAD83).

http://www.mcdot.maricopa.gov/survey/SRI/publications/Tech1-...
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This meaning is not found in standard dictionaries.

petkovw Oct 3, 2014:

reference is not a verb and odnieść is a verb?

Frank Szmulowicz, Ph. D. Oct 2, 2014:

Reference is like "relate," which, in essence, is like compare.

literary (asker) Oct 2, 2014:

to chyba coś w rodzaju "compare"
potem wynikiem są odchylenia standardowe punktów