October 1992 Volume 7, Number 4 Measurement and Application of Experimental Rotational Degrees of Freedom for Mode Shape Refinement J.A. CAFEO, M.W. TRETHEWEY and H.J.SOMMER Article abstract Page 255 Page 256 Page 257 Page 258 Page 259 Page 260 Page 261 Page 262 Page 263 Page 264 Page 265 Page 266 Page 267 Page 268 Page 269 Page 270