00385nam a22001217a 4500008004100000040005500041080002000096245003600116260007400152300001000226650001300236653001400249230510b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aR 624.014.2bL4  aHandbook of open web structures  aDurgapur: bCentral Mechanical Engineering Research Institute, c1974  a164p.  aOpen web  aStructure