00522nam a2200157Ia 4500 0000001311 20251012174415.0 1999 uk c 1901919080 RM306.00 Secret hydrographic surveys in the Spratly Island David Hancox and Victor Prescott London ASEAN Academic Press 1999 219p. 22cm Hydrographic surveying Spratly Islands Nautical charts Spratly Islands Spratly Islands Maps 2836 2836 0 0 0 0 KEM KEM 2012-12-07 0 0000001265 2025-10-12 08:34:10 2025-10-12 OS