TY - BOOK TI - Secret hydrographic surveys in the Spratly Islands SN - 1901919080 (hbk.) PY - 1999///. CY - London PB - ASEAN Academic Press KW - Hydrographic surveying KW - Spratly Islands KW - History KW - International status KW - Strategic aspects N1 - Includes bibliographical references (p. 198-207). ER -