@book{Groom1981,
author="Nigel St. J. Groom",
title="Frankincense and Myrrh: A Study of the Arabian Incense Trade",
year="1981",
publisher="Longman",
address="London",
keyword0="Frankincense",
keyword1="Prehistory",
keyword2="Saba",
keyword3="Trade",
type="book"
}