Evaluation of building systems : a contribution to mechanical effect analysis; possibilities of objective study in the evaluation of differing performance characteristics /
Krug, Siegfried.
Brown, C. D.
London :  Property Service Agency Library, 
1975.
Originally published as Bewertung van Bausystemen in Der Bauingenieur, v. 47 no. 19 October 1972, p. 378-383.