Philippine tektites a contribution to the study of the tektite problem in general, in the light of both past and recent discoveries - Beyer, Henry Otley (Quezon City [Office of Research Coordination, University of the Philippines], 1961)
"Including a comprehensive history of Philippine tektite exploration and research during the 36-year period from 1926 to 1961-62. With a full bibliography and a partial set of abstracts of the tektite literature in general ; and with 100 illustrations, charts and maps."
Keywords: Tektite