Errors in levelling due to obliquity of staves, "personal paper" for the Twelfth Congress of FIG (Commission 6) in London 1968
Geisler, M.
Errors in levelling due to obliquity of staves, "personal paper" for the Twelfth Congress of FIG (Commission 6) in London 1968 - RICS 1968 - 8p. (Photocopy)
Filed in box 1968/56A
526.3
Errors in levelling due to obliquity of staves, "personal paper" for the Twelfth Congress of FIG (Commission 6) in London 1968 - RICS 1968 - 8p. (Photocopy)
Filed in box 1968/56A
526.3