00368    a2200121   4500020001700000082001600017100001800033245008900051250001300140260003600153300003300189650002400222  a0070659338 :  a624.171 NOR  aNorris, C. H.  aElementary structural analysiscCharles Head Norris, Senol Utku, John Benson Wilbur.  a 4th ed.  aNew York :bMcGraw-Hill,c1991.  axx, 829 p. :bill. ;c25 cm.  aStructural analysis