TY - GEN ED - IASS symposium on shell structure TI - Shell structures in engineering practice, V.2 U1 - 624.1776 PY - 1968/// CY - Budapest KW - Shells (Engineering) -- Congresses N1 - Contents: A. Approximation calculation methods, special numerical methods, use of tables and nomograms 3. General shell theory and folded plates -- 4. bending theory of doubly curved shells B. Mechanization and automation of computation ER -