00342nam a22001337a 4500003000400000005001700004008004100021020001500062040000800077100002000085245004100105250001900146260004300165OSt20230606105837.0230606b        xxu||||| |||| 00| 0 eng d  a0340719206  cN/A  aJohn Case et al  aStrength of materials and structures  afourth edition  aNew YorkbJohn Wiley& Sons Inc.,c1999