Khrenov, L. S., & Brown, D. E. (1964). Tables for computing elevations in topographic levelling. Oxford: Pergamon Press.
Παραπομπή Chicago StyleKhrenov, L. S., and D. E. Brown. Tables for Computing Elevations in Topographic Levelling. Oxford: Pergamon Press, 1964.
Παραπομπή MLAKhrenov, L. S., and D. E. Brown. Tables for Computing Elevations in Topographic Levelling. Oxford: Pergamon Press, 1964.
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