Mertikas, S. P. (2010). Gravity, Geoid and Earth Observation: IAG Commission 2: Gravity Field, Chania, Crete, Greece, 23-27 June 2008. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-10634-7
Dyfyniad Arddull ChicagoMertikas, Stelios P. Gravity, Geoid and Earth Observation: IAG Commission 2: Gravity Field, Chania, Crete, Greece, 23-27 June 2008. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. https://doi.org/10.1007/978-3-642-10634-7.
Dyfyniad MLAMertikas, Stelios P. Gravity, Geoid and Earth Observation: IAG Commission 2: Gravity Field, Chania, Crete, Greece, 23-27 June 2008. Springer Berlin Heidelberg, 2010. https://doi.org/10.1007/978-3-642-10634-7.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.