APA

Milev G., International Symp. on Modern Technologies E. a. P. P. i. G. a. R. F. S., . (2009). [Nineteenth] 19th International Symposium Modern Technologies, Education and Professional Practice in Geodesy and Related Fields, Sofia, 05-06 november 2009. : Union of Surveyors and Land Managers in Bulgaria.

Chicago

Milev G, International Symp. on Modern Technologies Education and Professional Practice in Geodesy and Related Fields Sofia, . 2009. [Nineteenth] 19th International Symposium Modern Technologies, Education and Professional Practice in Geodesy and Related Fields, Sofia, 05-06 november 2009. : Union of Surveyors and Land Managers in Bulgaria.

Harvard

Milev G., International Symp. on Modern Technologies E. a. P. P. i. G. a. R. F. S., . (2009). [Nineteenth] 19th International Symposium Modern Technologies, Education and Professional Practice in Geodesy and Related Fields, Sofia, 05-06 november 2009. : Union of Surveyors and Land Managers in Bulgaria.

MLA

Milev G, International Symp. on Modern Technologies Education and Professional Practice in Geodesy and Related Fields Sofia, . [Nineteenth] 19th International Symposium Modern Technologies, Education and Professional Practice in Geodesy and Related Fields, Sofia, 05-06 november 2009. : Union of Surveyors and Land Managers in Bulgaria. 2009.