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-Fawāʼid fī uṣūl al-baḥr waʼl-qawāʼid of Aḥmad b. Mājid al-Najdī SN - 9780947593230 U1 - 890.8 TIB PY - 2007/// CY - New York PB - Routledge KW - Indian Ocean - Discovery and exploration - Arabic KW - Indian Ocean -- Navigation -- Early works to 1800 ER -