Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAl-Bīrūnī on Transits, A Study of an Arabic Treatise entitled Tamhīd almustaqarr litahqīq ma'na 'l-mamarr.AuthorsBöker, RobertPublicationDer Islam, 1961, Vol 37, Issue 1-3, p278ISSN0021-1818Publication typeArticle