一般注記Distributed to depository libraries in microfiche
"May 1989"--Cover
Physical description for original version: 102 p. : 28 cm
書誌注記Includes bibliographical references (p. 8)
原資料等に関する注記原資料の出版事項: [Washington, DC] ; Springfield, Va. : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division : For sale by the National Technical Information Service, 1989
SUPTDOC番号: NAS 1.15: 4112
GPO管理番号: 0830-D (MF)