00980nam0-22002891i-450-99000055376040332120001010000055376FED01000055376(Aleph)000055376FED0100005537620001010d--------km-y0itay50------baitay-------001yySimplified calculation methods of shell structures. Proceedings of colloquium on simplified calculation methods. Brussels,September, 4-6, 1961A. Paduart , R. DutronAmsterdamNHC196424 cm529 p.Dutron,R.Paduart,AndréITUNINARICAUNIMARCBK99000055376040332105 64 1982246DININDININSimplified calculation methods of shell structures. Proceedings of colloquium on simplified calculation methods. Brussels,September, 4-6, 1961320576UNINAING01