Transkription:
WIDELL, T[orsten] A[lexis
Underv. Sv
Se: Kungl. tekniska högskolans handlingar. facksk.
[Tekn. Sthm, Tekn. Löysk]
54. Metal temperature in regenerative and recuperative air preheaters
by ... and S. I. Juhász. 1952.