George A. Hool Steel and timber structures - 2nd Edition. - New York McGraw Hill Book Co.Inc 1942 - 733p George A. Hool; W.S. Kinne; R.R. Zipprodt & D.M. Griffith: Steel and timber structures. (2nd Edition.) New York. McGraw Hill Book Co.Inc, 1942.--(624.1HOO) ENGLISH Dewey Class. No.: 624.1 / HOO