TY - BOOK TI - Secret hydrographic surveys in the Spratly Islands SN - 1901919080 AV - VK591 H36 1999 PY - 1999/// CY - London PB - ASEAN Academic Press KW - Hydrographic surveying KW - History KW - Spratly Islands KW - Spratly Island KW - Surveyors, Marine KW - Maps KW - Spratly islands KW - Spartly Island KW - Geography KW - International status KW - Strategic aspects N1 - Includes bibliographical references ER -