TY - BOOK AU - Kim, Dukhyun TI - ANALYSIS OF TRIANGULARLY FOLDED PLATE ROOFS OF UMBRELLA TYPE U1 - 624.9 PY - 1965/// CY - PB - KW - Roofs, Shell N1 - Bibliography : P. 228-234; Photocopy Of Type Script. Ann Arbor, Mich., University Microfilms, 1966; Vita; Thesis : Purdue University ER -