TY - BOOK AU - Tibbetts, G.R. TI - Arab navigation in the Indian Ocean before the coming of the Portuguese, being a translation of Kitāb al-fawāi̓dfī usūl al-bahr wa'l-qawā'id of Ahmad b. Mājid al-Najdī, SN - 9780947593230 PY - 1971/// CY - London PB - Britain KW - Navigation KW - Indian Ocean ER -