A. Lagarde,the I. U. T. A. M. symposium on optical methods in mechanics of solids.the I. U. T. A. M. symposium on optical methods in mechanics of solids(1979 : the University of Poitiers, France)：Optical methods in mechanics of solids.Sijthoff & Noordhoff,1981.
the I. U. T. A. M. symposium on optical methods in mechanics of solids(1979 : the University of Poitiers, France)：Optical methods in mechanics of solids
A. Lagarde,the I. U. T. A. M. symposium on optical methods in mechanics of solids.Sijthoff & Noordhoff,1981.
