COMMENT ā VALID 00002 PAGES C REC PAGE DESCRIPTION C00001 00001 C00002 00002 Dr. Ryoji Yanagi C00003 ENDMK Cā; Dr. Ryoji Yanagi Research Official National Aerospace Laboratory Science and Technology Agency 1880 Jindaiji, Chofu Tokyo, Japan Dear Dr. Yanagi This is an answer to your letter dated October 15, 1984. I am sorry, but I don't have space in my group. Sincerely,