APA
Geisler M., Royal Institution of Chartered Surveyors, . (1968). Refraction near the ground and its influence on precise levelling; "personal paper" for the Twelfth Congress of FIG, London, 1968. : RICS.
Chicago
Geisler M, Royal Institution of Chartered Surveyors, . 1968. Refraction near the ground and its influence on precise levelling; "personal paper" for the Twelfth Congress of FIG, London, 1968. : RICS.
Harvard
Geisler M., Royal Institution of Chartered Surveyors, . (1968). Refraction near the ground and its influence on precise levelling; "personal paper" for the Twelfth Congress of FIG, London, 1968. : RICS.
MLA
Geisler M, Royal Institution of Chartered Surveyors, . Refraction near the ground and its influence on precise levelling; "personal paper" for the Twelfth Congress of FIG, London, 1968. : RICS. 1968.
