The Khokarsans had a written syllabary, understood the principles of algebra, employed catapults and Greek fire, had an advanced navy of unireme, bireme, and trireme galleys, implemented a solar calendar, and established a samurai-like class of swordsmen called the numatenu who wielded iron broadswords.
Literatura Latino-Americana e do Caribe em Ciências da Saúde (Literature in the Health Sciences in Latin America and the Caribbean, in Portuguese language), acronym LILACS, is an on-line bibliographic database in medicine and health sciences, maintained by the Latin American and Caribbean Center on Health Sciences Information (also known as BIREME, located in São Paulo, Brazil.