Yıldırım, Cemal, 1925- The pattern of reasoning in scientific discovery / Cemal Yıldırım. - v, 74 pages ; 25 cm - Middle East Technical University. Faculty of Arts and Sciences ; Orta Doğu Teknik Üniversitesi Fen ve Edebiyat Fakültesi ; publication no. 14. yayın no. 14 . LCCN: 76231491 Subjects--Topical Terms: Science--Methodology LC Class. No.: Q175 / .Y55 1968