New England Solar Energy Association,Conference of the NESEA.Annual conference of the NESEA (3rd : 1979):Solar business experience; proceedings of the Solar Roalities Forum : Learning From Experience.NESEA,n. d..
American Concrete Institute in New Orleans,Symposium on Vibrations of Concrete Structures.Symposium on Vibrations of Concrete Structures (1977 : New orleans):Vibrations of Concrete structures.ACI,1979.