Metallurgical processes affecting the quality of steel castings : [proceedings of the] 17 annual conference [of the] Steel Castings Research and Trade Association, Harrogate, 28-29th October, 1971.
Steel Castings Research and Trade Association.Annual Conference(17th :1971 :Harrogate, England)
Sheffield :  [s.n.], 
1971.
Steelcastings