Mitchell, Denis. <br/><br/>
effects of stirrup spacing and longitudinal restraint on th-e behaviour of reinforced concrete beams subjected to pure -torsion / by Denis Mitchell Paul Lampert and Michael P. Co-llins. 

 - [Toronto, Canadá] : University of Toronto, Department of Civil Engieering 
 - [79] p. 
 - Publication; no. 71-22 .