00429nam a22000857a 4500008004100000245020800041250000700249264005200256653003500308250314s1970    us ||||| |||| 00| 0 eng d  aSurvey of Current Structural Research :bASCE-Manuals and Reports on Engineering Practice-No. 51 /cPrepared by the Survey Committee of the Structural Division of the American Society of Civil Engineers.  aIX  aNew York :bHeadquarters of the Society,c1970.  aმშენებლობა