WRIGHT, E. A. YEH, G. C. K. 



David Taylor Model Basin Reed Research, Inc. 



Washington 7, D. C. Washington 25, D. C. 



WU, Theodore Y. YEH, Hugh Yu-Hu 



California Institute of Technology David Taylor Model Basin 



Pasadena, California Washington 7, D. C. 



YANG, H. T. YIH, Chia-Shun 



University of Maryland University of Michigan 



College Park, Maryland Ann Arbor, Michigan 



444 



