TY - BOOK AU - Khrenov, L. S. AU - Brown, D. E. TI - TABLES FOR COMPUTING ELEVATIONS IN TOPOGRAPHIC LEVELLING U1 - 510.83 PY - 1964/// CY - Oxford PB - Pergamon Press KW - Levelling KW - Surveying -- Tables, Etc N1 - Errata Slip Inserted ER -