Search Results       Your search for [subject]Past discoveries -- Problems, tektites -- Philippines returned 1 record.           Philippine tektite: a contribution to the study of the tektite problem in general, in the light of both past and recent discoveries, volume 1. by Beyer, Otley Henry, 1883-; Quezon City, Philippines: University of the Philippines, Natural History and in the New Field of Space Science, 1962. Subject: Earth Sciences and Geology; Tektite -- Philippines; Philippines -- Tektites; Past discoveries -- Problems, tektites -- Philippines; Problems, tektites -- Past discoveries -- Recent discoveries -- Philippines; Recent discoveries -- Problems, tektites -- Philippines.          Add to Book Cart Relevance: 45.16%